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Journal articles on the topic 'Proglottids'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Pappas, P. W. "Allometric growth of the proglottids and strobila of the tapeworm, Hymenolepis diminuta." Journal of Helminthology 74, no. 3 (2000): 259–65. http://dx.doi.org/10.1017/s0022149x00000378.

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AbstractHymenolepis diminuta adults were killed and fixed in fully extended positions, and the total lengths of the strobilae, numbers of proglottids, and distances of proglottids along the strobilae were determined. The relationship of proglottid number to distance along the strobila was exponential. Beginning at proglottid 100 (P100), the lengths and widths of proglottids at 100 proglottid intervals were determined, and the surfaces areas were calculated. The relationships of proglottid length and width to proglottid number were linear, but the relationship of proglottid number to surface ar

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2

Pappas, P. W. "Allometric growth of the proglottids and strobila of the tapeworm, Hymenolepis diminuta." Journal of Helminthology 74, no. 3 (2000): 259–65. http://dx.doi.org/10.1017/s0022149x0070099x.

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AbstractHymenolepis diminuta adults were killed and fixed in fully extended positions, and the total lengths of the strobilae, numbers of proglottids, and distances of proglottids along the strobilae were determined. The relationship of proglottid number to distance along the strobila was exponential. Beginning at proglottid 100 (P100), the lengths and widths of proglottids at 100 proglottid intervals were determined, and the surfaces areas were calculated. The relationships of proglottid length and width to proglottid number were linear, but the relationship of proglottid number to surface ar

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3

Nicholas Jairo Kavana. "The description of adult worm of Spirometra species: A Pseudophyllidean tapeworm." Open Access Research Journal of Biology and Pharmacy 6, no. 1 (2022): 076–80. http://dx.doi.org/10.53022/oarjbp.2022.6.1.0071.

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A complete life-cycle of Spirometra sp. was carried out in the laboratory of Institute of Postgraduate Studies, University of Malaya, Malaysia. The life-cycle started in from the egg to adult stage. The 4 adult worms of Spirometra recovered from experimentally infected cats were used for description after staining the scolex and proglottids with Alum-carmine. The entire strobila measured 15.0-53.5cm long. The scolex was spatulate with two bothria both sides, neck long and mature proglottids had 3 genital pores: cirrus, vaginal and uterine at separate sites. Uterus was located in the middle of

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4

Zaragoza-Tapia, Francisco, Griselda Pulido-Flores, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Onchobothriidae) in Narcine entemedor Jordan & Starks, 1895 (Narcinidae) from Acapulco, Guerrero, Mexico." ZooKeys 852 (June 5, 2019): 1–21. http://dx.doi.org/10.3897/zookeys.852.28964.

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Two species ofAcanthobothrium(Onchoproteocephalidea: Onchobothriidae) are described from the spiral intestine ofNarcineentemedorJordan &amp; Starks, 1895, in Bahía de Acapulco, Acapulco, Guerrero, Mexico. Based on the four criteria used for the identification of species ofAcanthobothrium,A.soniaesp. nov.is a Category 2 species (less than 15 mm in total length with less than 50 proglottids, less than 80 testes, and with the ovary asymmetrical in shape).Acanthobothriumvidalisp. nov.is a Category 6 species (more than 15 mm in total length with more than 50 proglottids, fewer than 80 testes, a

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5

Conn, David Bruce. "Scanning electron microscopy and histochemistry of embryonic envelopes of the porcupine tapeworm, Monoecocestus americanus (Cyclophyllidea: Anoplocephalidae)." Canadian Journal of Zoology 63, no. 5 (1985): 1194–98. http://dx.doi.org/10.1139/z85-178.

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Eggs of Monoecocestus americanus (Stiles 1895), a tapeworm of North American porcupines, were studied with regard to the basic structure of embryonic envelopes. Observations were made by light microscopy of whole eggs and scanning electron microscopy of eggs within cryofractured gravid proglottids. Concomitant histochemical tests were made on eggs and gravid proglottids embedded and sectioned in methacrylate plastic. The gravid uterus had numerous diverticula, each containing several eggs. The uterine lumen was filled with a material positive for nonsulfated acid mucopolysaccharides. The mater

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Zaragoza-Tapia, Francisco, Griselda Pulido-Flores, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Onchobothriidae) in Narcine entemedor Jordan & Starks, 1895 (Narcinidae) from Acapulco, Guerrero, Mexico." ZooKeys 852 (June 5, 2019): 1–21. https://doi.org/10.3897/zookeys.852.28964.

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Two species of Acanthobothrium (Onchoproteocephalidea: Onchobothriidae) are described from the spiral intestine of Narcine entemedor Jordan & Starks, 1895, in Bahía de Acapulco, Acapulco, Guerrero, Mexico. Based on the four criteria used for the identification of species of Acanthobothrium, A. soniae sp. nov. is a Category 2 species (less than 15 mm in total length with less than 50 proglottids, less than 80 testes, and with the ovary asymmetrical in shape). Acanthobothrium vidali sp. nov. is a Category 6 species (more than 15 mm in total length with more than 50 proglottids, fewer than 80

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7

MENORET, ADRIANA, and VERÓNICA A. IVANOV. "Cestodes of Pseudobatos horkelii (Müller and Henle) (Rhinopristiformes) including Rhinebothrium quequense n. sp. (Rhinebothriidea) and Caulobothrium pieroi n. sp. (“Tetraphyllidea”) from the southwestern Atlantic." Zootaxa 5361, no. 1 (2023): 87–102. http://dx.doi.org/10.11646/zootaxa.5361.1.4.

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Two new species of cestodes were described from the Brazilian guitarfish, Pseudobatos horkelii (Müller and Henle) (Rhinopristiformes: Rhinobatidae), from coastal waters off Argentina in the southwestern Atlantic Ocean. Rhinebothrium quequense n. sp. (Rhinebothriidea) differs from its congeners by a combination of morphological characters, including the total number of loculi, the absence of loculi at the level of bothridial constriction, the number of testes per proglottid, and the number of proglottids per worm. Caulobothrium pieroi n. sp. (“Tetraphyllidea”) can be distinguished from the othe

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8

Ewart, Michael J., and J. Daniel McLaughlin. "Retinometra albeolae n.sp. (Cestoda: Hymenolepididae) from the bufflehead duck, Bucephala albeola L." Canadian Journal of Zoology 68, no. 6 (1990): 1086–89. http://dx.doi.org/10.1139/z90-160.

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Retinometra albeolae n.sp. is described from bufflehead ducks (Bucephala albeola L.) from Manitoba, Canada. It is armed with eight skrjabinoid rostellar hooks 69–75 μm long, and has a cirrus sac 240–480 μm long that extends to approximately the midline of mature proglottids, a trilobed ovary, and a lobed vitelline gland. Staphylepis indica and Staphylepis meggitti, currently included in the genus Retinometra, are returned to Staphylepis on the basis of proglottid morphology and the apparent lack of a cirrus stylet in both species.

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9

Gulyaev, V. D., and S. A. Kornienko. "On causes and mechanisms of appearance of mini polymerous Hymenolepididae (Cyclophyllidea, Cestoda), parasites of shrews." Proceedings of the Zoological Institute RAS 313, no. 3 (2009): 249–56. http://dx.doi.org/10.31610/trudyzin/2009.313.3.249.

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The direction of the morphological transformations in the phylogenesis of Hymenolepididae from shrews depends on the nature of dissemination of hexacanths in the external environment. The organization of strobila and proglottids in Neoskrjabinolepis Spassky, 1948 and Lineolepis Spassky, 1958 which have hexacanths going out into the external environment inside the segment-oophor is determined by the group dissemination of hexacanths. At the group dissemination of hexacanths the probability of infection for intermediate hosts depends on their number in the external environment rather than on the

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10

Chao, David, Ming M. Wong, and Ping-Chin Fan. "Experimental infection in a human subject by a possibly undescribed species of Taenia in Taiwan." Journal of Helminthology 62, no. 3 (1988): 235–42. http://dx.doi.org/10.1017/s0022149x00011585.

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ABSTRACTA cysticercus of a possibly undescribed species of Taenia which occurs commonly in Taiwan aborigines was used to establish an experimental infection in a human volunteer. Symptomatic effects attributed to the infection included diarrhoea, upper abdominal pain, and increase or loss of appetite over a four-month period. After an expelled proglottid was observed 122 days post-exposure, eggs and proglottids were found continuously until the patient was treated with anthelmintics. Antibody titres measured by enzyme-linked immunosorbent assay and levels of eosinophilia seemed to correlate wi

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11

Margono, S. S., A. Ito, M. O. Sato, et al. "Taenia solium taeniasis/cysticercosis in Papua, Indonesia in 2001: detection of human worm carriers." Journal of Helminthology 77, no. 1 (2003): 39–42. http://dx.doi.org/10.1079/joh2002146.

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AbstractA preliminary study to detect human worm carriers of Taenia solium in Papua (Irian Jaya), Indonesia was carried out using stool examinations for the detection of copro-antigens and adult proglottids after chemotherapy, and confirmation by mitochondrial DNA analysis using expelled proglottids and metacestodes developed in NOD/Shi-scid mice from eggs of expelled proglottids. Approximately 8.6% of the local population in Kama (5/58), 1 km from the local capital city centre, Wamena, were confirmed to harbour adult T. solium using these techniques.

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12

Roohi, Aminjan Atabak, and Masoumeh Malek. "Two new cestode species of Tetragonocephalum Shipley & Hornell, 1905 (Lecanicephalidea, Tetragonocephalidae) from Himantura randalli Last, Manjaji-Matsumoto & Moore (Myliobatiformes, Dasyatidae) from the Gulf of Oman." ZooKeys 623 (October 11, 2016): 1–13. https://doi.org/10.3897/zookeys.623.9724.

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The original description of the genus Tetragonocephalum was published more than one hundred years ago but its taxonomic status was clarified only recently. To date, approximately 30 nominal species of this genus have been described, mostly from the northern Indian Ocean, but nearly half of them are invalid and only 14 species are recognized as valid. In the present study two new species of Tetragonocephalum are described from the spiral intestine of Himantura randalli from off Jod, on the northern coast of the Gulf of Oman. Tetragonocephalum sabae sp. n. is distinguishable from the valid speci

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13

Rahif, Raad Harbi, and Amal Hassan Atae. "Experimental infection of dogs with Echinococcus granulosus (Batsch, 1986) from protoscoleces of donkey's hydatid cyst." Iraqi Journal of Veterinary Medicine 28, no. 1 (2004): 15–21. http://dx.doi.org/10.30539/ijvm.v28i1.1088.

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This study was conducted, for the 1st time in Iraq, to infect 5 puppies, 1 - 5 month old, with protoscoleces of hydatid cyst isolated from the liver of donkey, slaughtered at zoo abattoir of Al-Zawra park in Baghdad, at a dose rate of 10000 protoscoieces i puppy (n=2) and 20000 protoscoleces / puppy (n=3) for 35 and 40 days post infection. The dogs were killed and the developed Echinococcus granulosus were isolated from the small intestine. Results of the study revealed  variation in the period of maturation of the collected cestodes, and the mean total length of the mature worms at 35 d

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14

ZARAGOZA-TAPIA, FRANCISCO, GRISELDA PULIDO-FLORES, and SCOTT MONKS. "Three new species of Acanthobothrium Blanchard, 1848 (Cestoda:Onchoproteocephalidea) in Stingrays (Dasyatidae) from the Pacific coast in Mexico." Zootaxa 4766, no. 1 (2020): 157–72. http://dx.doi.org/10.11646/zootaxa.4766.1.8.

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Three new species of Acanthobothrium Blanchard, 1848 (Onchoproteocephalidea: Onchobothriidae) are described from Pacific coastal waters of Mexico. Based on four criteria for categorization of species of Acanthobothrium, the three new species belong to Category 2 species, characterized by their total length (< 15 mm), number of proglottids (< 50) and testes (<80), and with asymmetrical ovary. Acanthobothrium ppdeleoni n. sp. from diamond stingray Hypanus dipterurus (Jordan & Gilbert) is differentiated from congeners by a combination of characters including total length of the whole

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15

Maki, Jun, and Toshio Yanagisawa. "Infectivity of Hymenolepis nana eggs from faecal pellets in the rectum of mice." Journal of Helminthology 61, no. 4 (1987): 341–45. http://dx.doi.org/10.1017/s0022149x00010270.

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ABSTRACTThe infectivity of Hymenolepis nana eggs from faecal pellets in the rectum of mice was compared with that of the eggs in gravid proglottids of adult H. nana and with that of the eggs in excreted faecal pellets to find out a simple method for collecting H. nana eggs of high infectivity to mice. Eggs from faecal pellets in the rectum showed higher infectivity than those from gravid proglottids and as high infectivity as those from gravid proglottids selected by a watch-glass rotation technique. Eggs in faecal pellets in the rectum did not lose infectivity until 4 h after they were excret

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16

ŚWIDERSKI, ZDZISŁAW, JORDI MIQUEL, and DAVID BRUCE CONN. "Functional ultrastructure of eggs and cellular organization of hexacanths of the cyclophyllidean cestode Thysanotaenia congolensis: a phylogenetic implication of obtained results." Parasitology 143, no. 3 (2015): 320–33. http://dx.doi.org/10.1017/s0031182015001560.

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SUMMARYThe functional ultrastructure of eggs and cellular organization of hexacanths from gravid proglottids of Thysanotaenia congolensis, from black rats from Cape Verde, were examined by transmission electron microscopy. Mature eggs with fully formed hexacanths are grouped within parenchymatous capsules of gravid proglottids. Oncospheral envelopes surrounding mature hexacanths are reduced to a very thin membranous embryophore as their protective function is taken over by the parenchymatous capsules originating from the medullary parenchyma of immature proglottids and composed of three layers

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17

Tembo, A., and P. S. Craig. "Taenia saginatataeniosis: copro-antigen time-course in a voluntary self-infection." Journal of Helminthology 89, no. 5 (2014): 612–19. http://dx.doi.org/10.1017/s0022149x14000455.

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AbstractHuman taeniosis due toTaenia saginatais cosmopolitan where beef is consumed; however, there is little or no information on the symptomatology over the early time-course of human infection. Copro-antigen detection is very useful in community screening for human taeniosis, particularly forT. solium, but there are no data on copro-antigen detection in pre-patent infection. In order to provide insight into this, a voluntary self-infection withT. saginatawas undertaken and monitored over a 6-month period using a copro-antigen enzyme-linked immunosorbent assay (ELISA) that we developed using

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18

Beugnet, Frédéric, Michel Labuschagne, Christa de Vos, Dionne Crafford, and Josephus Fourie. "Analysis ofDipylidium caninumtapeworms from dogs and cats, or their respective fleas." Parasite 25 (2018): 31. http://dx.doi.org/10.1051/parasite/2018029.

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Initial investigations suggested the existence of two distinct genotypes ofDipylidium caninumfrom infected cat fleas (Ctenocephalides felis). One genotype was found almost always (> 95%) in fleas collected from, and proglottids shed by, domestic dogs. The other was found almost always (> 95%) in fleas collected from, and proglottids shed by, domestic cats. Molecular investigations (Part 1, in this journal) confirmed the presence of two distinct genotypes. Due to the apparent host association observed, these were referred to as the “D. caninumcanine genotype” and the “D. caninumfeline gen

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Kumazawa, H., and I. Fairweather. "Growth of single proglottides during early adult development of Hymenolepis nana." Parasitology 99, no. 1 (1989): 115–25. http://dx.doi.org/10.1017/s0031182000061096.

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SUMMARYThe growth of individual proglottides of Hymenolepis nana has been studied by measuring the width and length of the proglottides between days 3 and 8 post-infection in mice. Two sets of measurements were obtained. The first involved proglottides immediately posterior to the point of proglottis formation and proglottides at particular stages of development. For the second set, measurements were made of proglottides at certain positions in the worm, specifically the 20th, 100th and 200th proglottides, as counted from the posterior end of the worm. For proglottides at different stages in d

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Rodríguez-Ibarra, Erick, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Cestoda, Onchoproteocephalidea) from Urobatis jamaicensis (Cuvier, 1816) (Elasmobranchii, Batoidea, Myliobatiformes) of the Mexican Caribbean." ZooKeys 1169 (July 13, 2023): 175–201. http://dx.doi.org/10.3897/zookeys.1169.101968.

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Eight specimens of Urobatis jamaicensis were collected from four localities of the Yucatan Peninsula, Mexico, of which four specimens were infected with cestodes of two new species of Acanthobothrium. Acanthobothrium garciaprietoisp. nov. differs from congeners by a combination of characters including the size of the scolex and bothridia, length of the cephalic peduncle, length of the axial and abaxial prongs and total length of the abaxial prongs of the hooks, size of the cirrus sac and testes in mature proglottids, and the total number of proglottids. The most prominent characteristic distin

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21

Coetzee, H. G. J., D. J. Kok, and H. J. Fourie. "Diagnosis of liver tapeworm, Stilesia hepatica, infection in sheep." Journal of the South African Veterinary Association 62, no. 4 (1991): 184–85. http://dx.doi.org/10.4102/jsava.v62i4.1787.

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A practical method of diagnosing Stilesia hepatica in live sheep is described. Intestinal contents and faeces were sieved through a sieve with apertures of 1,0 mm onto a sieve with apertures of 100 µm to reduce volume and turbidity. The residue on the fine sieve was examined microscopically. Gravid proglottids passed through the intestine without being digested. Intact proglottids were recovered from the intestine and faeces of infected sheep. Used purely on faeces, the technique is simple and reliable as a diagnostic method. Its application could facilitate basic research into the biology and

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22

HAUKISALMI, VOITTO, LOTTA M. HARDMAN, and HEIKKI HENTTONEN. "Taxonomic review of cestodes of the genus Catenotaenia Janicki, 1904 in Eurasia and molecular phylogeny of the Catenotaeniidae (Cyclophyllidea)." Zootaxa 2489, no. 1 (2010): 1. http://dx.doi.org/10.11646/zootaxa.2489.1.1.

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This study reviews the taxonomy of cestodes of the genus Catenotaenia Janicki, 1904 (Cyclophyllidea: Catenotaeniidae) in Eurasia and presents the first molecular phylogenetic hypothesis of Catenotaenia, Skrjabinotaenia Ahumyan, 1946 and Meggittina Lynsdale, 1953, all parasites of rodents. The phylogenetic data are based on sequences of 28S ribosomal RNA. The analysis does not support the proposed subfamilial classification of the Catenotaeniidae into Catenotaeniinae Spasskii, 1949 and Skrjabinotaeniinae Genov & Tenora, 1979. Instead, the main division appears to be between Eurasian species

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LOPES, Valeriana Valadares, Hudson Andrade dos SANTOS, Amália Verônica Mendes da SILVA, et al. "FIRST CASE OF HUMAN INFECTION BY Bertiella studeri (Blanchard, 1891) Stunkard,1940 (Cestoda; Anoplocephalidae) IN BRAZIL." Revista do Instituto de Medicina Tropical de São Paulo 57, no. 5 (2015): 447–50. http://dx.doi.org/10.1590/s0036-46652015000500015.

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SUMMARY Cestodes of the Bertiella genus are parasites of non-human primates found in Africa, Asia, Oceania and the Americas. Species Bertiella studeri and Bertiella mucronatacould, accidentally, infect human beings. The infection occurs from ingestion of mites from the Oribatida order containing cysticercoid larvae of the parasite. The objective of this report is to register the first case of human infection by Bertiella studeri in Brazil. Proglottids of the parasite, found in the stool sample of a two-and-a-half-year-old child, were fixed, stained and microscopically observed to evaluate its

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24

Won, Eun Jeong, Min Jae Kim, Jina Lee, Hyery Kim, Heungsup Sung, and Mi-Na Kim. "Taenia saginata infection incidentally detected during workup for lymphoma from an 8-year-old boy in Korea: a case report." ANNALS OF CLINICAL MICROBIOLOGY 26, no. 4 (2023): 165–69. http://dx.doi.org/10.5145/acm.2023.26.4.165.

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Human taeniasis is presumed to have almost disappeared from Korea. Recently, we incidentally detected a Taenia saginata infection in an 8-year-old boy undergoing lymphoma diagnosis. The patient had been suffering for 4 months from intensifying snoring and obstructive sleep apnea. A neck computed tomography scan revealed a nasopharyngeal mass, and malignant B-cell lymphoma was supported by punch biopsy. On day 6 of the lymphoma workup period, the patient experienced anal itching, and two proglottids were detected in his stool. The patient had experienced four or five similar episodes within the

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Rodríguez-Ibarra, Erick, Juan Violante-González, and Scott Monks. "Two new species of Acanthobothrium Blanchard, 1848 (Cestoda, Onchoproteocephalidea) from Urobatis jamaicensis (Cuvier, 1816) (Elasmobranchii, Batoidea, Myliobatiformes) of the Mexican Caribbean." ZooKeys 1169 (July 13, 2023): 175–201. https://doi.org/10.3897/zookeys.1169.101968.

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Eight specimens of Urobatis jamaicensis were collected from four localities of the Yucatan Peninsula, Mexico, of which four specimens were infected with cestodes of two new species of Acanthobothrium. Acanthobothrium garciaprietoi sp. nov. differs from congeners by a combination of characters including the size of the scolex and bothridia, length of the cephalic peduncle, length of the axial and abaxial prongs and total length of the abaxial prongs of the hooks, size of the cirrus sac and testes in mature proglottids, and the total number of proglottids. The most prominent characteristic disti

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Pappas, P. W. "Predictability of morphological gradients in the tapeworm, Hymenolepis diminuta." Journal of Helminthology 72, no. 1 (1998): 55–57. http://dx.doi.org/10.1017/s0022149x00000985.

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AbstractThe strobila of an adult tapeworm represents a continual gradient of developmental stages from immature to gravid proglottids. The purpose of this study was to determine if organogenesis (as measured by the develop mental gradient) in tapeworms within a single host and among different hosts occurred at the same rates. Rats were infected with Hymenolepis diminuta and the tapeworms were recovered 20 days post-infection. The total number of proglottids in each worm was determined, and five “benchmarks” of organogenesis were quantified. The data demonstrated that organogenesis in worms fro

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27

Chowdhury, N., and Rajvir Singh. "Distribution of zinc in parasitic helminths." Journal of Helminthology 63, no. 2 (1989): 149–52. http://dx.doi.org/10.1017/s0022149x00008919.

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ABSTRACTThe distribution of zinc in representative groups of parasitic helminths was determined by the use of the atomic absorption spectrophotometer. The results of these analyses have shown that growing flukes (smaller forms) with active oogenesis and spermatogenesis contained more zinc than old (large) or very old adults with an empty uterus and large lobulated testes. In cestodes, the neck region and immature proglottids showed more zinc concentration than mature and gravid proglottids and fully grown cyst walls. Similarly, the youngest endogenous daughter cysts of Echinococcus granulosus

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Chowdhury, N., and R. Singh. "Distribution of cobalt in parasitic helminths." Journal of Helminthology 69, no. 3 (1995): 259–61. http://dx.doi.org/10.1017/s0022149x00014231.

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AbstractThe distribution of cobalt in parasitic helminths belonging to the trematodes, cestodes or nematodes was determined by the use of an atomic absorption spectrophotometer. The results of these analyses have demonstrated that growing trematodes (smaller forms) with active oogenesis and spermatogenesis contained more cobalt than older forms (large or very old adults) with empty uteri and large lobulated testes. In cestodes, the neck region of cysticerci and immature proglottids of adults showed more cobalt than the cyst portion of cysticerci and hydatid or mature and gravid proglottids of

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Putri, Dita Pratama, Risa Tiuria, Ridi Arif, Adi Winarto, and Rizal Akbari. "Dipylidiosis pada Pasien Kucing di Klinik RVet Bogor." JURNAL KAJIAN VETERINER 11, no. 1 (2023): 54–61. http://dx.doi.org/10.35508/jkv.v11i1.10388.

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Cats are one of the many pets kept in Indonesia. Dipylidiasis is a disease that often occurs in cats caused by infection with the Cestode worm Dipylidium caninum. The case study at the Rvet Bogor clinic aimed to find out Dipylidiosis cases as well as its diagnostic and treatment techniques. Medical record data for September 2020 to September 2021 showed fluctuations in Dipylidiosis cases in 35 cat patients at the Rvet Bogor clinic. The highest infection of Dipylidium caninum in cats occurred during the rainy season from November 2020 to March 2021. The lowest disease of D. caninum in cats happ

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Abdel-Gaber, R., F. Abdel-Ghaffar, A. R. Bashtar, K. Morsy, and R. Saleh. "Interactions between the intestinal cestode Polyonchobothrium clarias (Pseudophyllidea: Ptychobothriidae) from the African sharptooth catfish Clarias gariepinus and heavy metal pollutants in an aquatic environment in Egypt." Journal of Helminthology 90, no. 6 (2016): 742–52. http://dx.doi.org/10.1017/s0022149x15001054.

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AbstractIn an aquatic environment, there is a profound and inverse relationship between environmental quality and disease status of fish. Parasites are one of the most serious limiting factors in aquaculture. Therefore, the present investigation was carried out during the period of February–December 2014 to determine the parasitic infections in the African sharptooth catfish Clarias gariepinus, relative to the capability of internal parasites to accumulate heavy metals. Up to 100 catfish were examined for gastrointestinal helminths and 38% of fish were found to be infected with the cestode Pol

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Wendel, Tabea P., Maureen Feucherolles, Jacqueline Rehner, et al. "Evaluating Different Storage Media for Identification of Taenia saginata Proglottids Using MALDI-TOF Mass Spectrometry." Microorganisms 9, no. 10 (2021): 2006. http://dx.doi.org/10.3390/microorganisms9102006.

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Taenia saginata is a helminth that can cause taeniasis in humans and cysticercosis in cattle. A species-specific diagnosis and differentiation from related species (e.g., Taenia solium) is crucial for individual patient management and disease control programs. Diagnostic stool microscopy is limited by low sensitivity and does not allow discrimination between T. saginata and T. solium. Molecular diagnostic approaches are not routinely available outside research laboratories. Recently, matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry (MS) was proposed as a

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Pairwuti, Sunsri, Adune Ratanawichitrasin, Amorn Koetsawang, and Donald Ian Robertson. "Tubo-Ovarian Abscess Containing Tapeworm Proglottids and Ova: A Case Report." Asia-Oceania Journal of Obstetrics and Gynaecology 19, no. 3 (2010): 285–90. http://dx.doi.org/10.1111/j.1447-0756.1993.tb00387.x.

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Rodríguez-Ibarra, Erick, Griselda Pulido-Flores, Juan Violante-González, and Scott Monks. "A new species of Acanthobothrium (Eucestoda: Onchobothriidae) in Aetobatus cf. narinari (Myliobatidae) from Campeche, México." Revista Brasileira de Parasitologia Veterinária 27, no. 1 (2018): 66–73. http://dx.doi.org/10.1590/s1984-29612018009.

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Abstract The helminthological examination of nine individuals of Aetobatus cf. narinari (spotted eagle ray; raya pinta; arraia pintada) revealed the presence of an undescribed species of cestode of the genus Acanthobothrium. The stingrays were collected from four locations in México: Laguna Términos, south of Isla del Carmen and the marine waters north of Isla del Carmen and Champotón, in the State of Campeche, and Isla Holbox, State of Quintana Roo. The new species, nominated Acanthobothrium marquesi, is a category 3 species (i.e, the strobila is long, has more than 50 proglottids, the numero

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Al-Olayan, Ebtsam, Maha Elamin, Eman Alshehri, et al. "Morphological, Molecular, and Pathological Appraisal of Hymenolepis nana (Hymenolepididae) Infecting Laboratory Mice (Mus musculus)." Microscopy and Microanalysis 26, no. 2 (2020): 348–62. http://dx.doi.org/10.1017/s1431927620000161.

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AbstractHymenolepis nana, typically a parasite found in conventionally established mouse colonies, has zoonotic potential characterized by autoinfection and direct life cycle. The objective of this study was to determine the rate of parasite infection in laboratory mice. The hymenolepidide cestode infected 40% of the 50 mice sampled. The rate of infection in males (52%) was higher than in females (28%). Morphological studies on the cestode parasite showed that worms had a globular scolex with four suckers, a retractable rostellum with 20–30 hooks, and a short unsegmented neck. In addition, the

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Kalyankar, S. D., and V. D. Palladwar. "On a new species of avian cestode of the genus amoebotaenia (Dilepididae: dilepidinae) Cohn, 1900 from India." Anales de la Facultad de Veterinaria de León 21 (January 2, 2025): 27–31. https://doi.org/10.18002/analesdeveterinaria.v21.9062.

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A. cohni n. sp. though resembling, A. oligorchis, A. indiana, and A. brevis in number of hooks, in the beginning of genital organ in the segments and in the number of proglottids and differs from all these in one character or another i. e. in the number of testes, in the number of segments and in the beginning of genital organs in the segments.

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Little, Susan, Chris Adolph, Kathryn Downie, Tim Snider, and Mason Reichard. "High Prevalence of Covert Infection With Gastrointestinal Helminths in Cats." Journal of the American Animal Hospital Association 51, no. 6 (2015): 359–64. http://dx.doi.org/10.5326/jaaha-ms-6221.

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Fecal flotation is routinely used to identify feline helminth infections in clinical practice, but it is known to have limitations of sensitivity, particularly for cestodes. To determine the prevalence of helminths in a contemporary population of cats and evaluate the ability of fecal flotation to detect these infections, helminths were recovered from intestinal tracts removed from 116 adult cats humanely euthanized by an animal control shelter in northeastern Oklahoma. Results were compared to those of fecal flotation performed using both passive and centrifugal techniques. Helminths were ide

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Mayta, H., A. Talley, R. H. Gilman, et al. "Differentiating Taenia solium and Taenia saginata Infections by Simple Hematoxylin-Eosin Staining and PCR-Restriction Enzyme Analysis." Journal of Clinical Microbiology 38, no. 1 (2000): 133–37. http://dx.doi.org/10.1128/jcm.38.1.133-137.2000.

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ABSTRACT Species-specific identification of human tapeworm infections is important for public health purposes, because prompt identification of Taenia solium carriers may prevent further human cysticercosis infections (a major cause of acquired epilepsy). Two practical methods for the differentiation of cestode proglottids, (i) routine embedding, sectioning, and hematoxylin-eosin (HE) staining and (ii) PCR with restriction enzyme analysis (PCR-REA), were tested on samples from 40 individuals infected with T. solium ( n = 34) or Taenia saginata ( n = 6). Microscopic examination of HE staining o

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Kornyushin, V., and T. Polyakova. "Cairaeanthus gen. n. (Cestoda, Rhinebothriidea), with the Description of Two New Species from Dasyatis pastinaca in the Black Sea and the Sea of Azov." Vestnik Zoologii 46, no. 4 (2012): e-1-e-18. http://dx.doi.org/10.2478/v10058-012-0025-x.

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Cairaeanthusgen. n. (Cestoda, Rhinebothriidea), with the Description of Two New Species fromDasyatis pastinacain the Black Sea and the Sea of AzovTwo new species were identified among cestodes collected fromDasyatis pastinaca(Linnaeus, 1758) in the Black Sea and the Sea of Azov. Their morphology corresponds in the most characters to the descriptions ofPhyllobothrium lactucavan Beneden, 1850 andP. gracilisWedl, 1855 by L. Borcea (Borcea, 1934) and T. P. Pogorel'tseva (Pogorel'tseva, 1960) from the same host and seas. However, some morphological characters of these cestodes (namely, the marginal

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Pinto, R. M., M. Knoff, S. C. São Clemente, R. M. Lanfredi, and D. C. Gomes. "The taxonomy of some Poecilacanthoidea (Eucestoda: Trypanorhyncha) from elasmobranchs off the southern coast of Brazil." Journal of Helminthology 80, no. 3 (2006): 291–98. http://dx.doi.org/10.1079/joh2006339.

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AbstractSpecimens of elasmobranchs, collected in the State of Santa Catarina, Brazil, were parasitized with Poecilacanthoidea trypanorhynch cestodes. Sharks of the species Prionace glauca harboured Callitetrarhynchus gracilis and Floriceps saccatus, and those of the species Sphyrna zygaena were infected with Callitetrarhynchus speciosus. Details of the proglottids of F. saccatus, provided by bright-field, and/or scanning electron microscopy, are described. Adults of F. saccatus are reported for the first time in the Brazilian coast.

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Andrade-Mogrovejo, Daniel A., Eloy Gonzales-Gustavson, Ana C. Ho-Palma, et al. "Development of a dose-response model for porcine cysticercosis." PLOS ONE 17, no. 3 (2022): e0264898. http://dx.doi.org/10.1371/journal.pone.0264898.

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Taenia solium is an important cause of acquired epilepsy worldwide and remains endemic in Asia, Africa, and Latin America. Transmission of this parasite is still poorly understood despite the design of infection experiments to improve our knowledge of the disease, with estimates for critical epidemiological parameters, such as the probability of human-to-pig infection after exposure to eggs, still lacking. In this paper, a systematic review was carried out and eight pig infection experiments were analyzed to describe the probability of developing cysts. These experiments included different pat

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Storey, G. W. "Survival of tapeworm eggs, free and in proglottids, during simulated sewage treatment processes." Water Research 21, no. 2 (1987): 199–203. http://dx.doi.org/10.1016/0043-1354(87)90049-2.

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Bo, Xinwen, Wenjuan Zhao, Hui Zhang, Lichao Kang, and Xinhua Wang. "Gene expression profiling of in Moniezia expansa at different developmental proglottids using cDNA microarray." Molecular Biology Reports 39, no. 4 (2011): 4499–507. http://dx.doi.org/10.1007/s11033-011-1240-1.

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Paçô, Julieta M., Dulcinéia M. B. Campos, and José Luiz de Barros Araújo. "Human bertiellosis in Goiás, Brazil: a case report on human infection by Bertiella sp. (Cestoda: Anoplocephalidae)." Revista do Instituto de Medicina Tropical de São Paulo 45, no. 3 (2003): 159–61. http://dx.doi.org/10.1590/s0036-46652003000300008.

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The authors report on a new case of human Bertiellosis in a 2-year old female patient who was born in Goiânia-Goiás (Brazil) and has had history of permanent dwelling in an area frequently visited by simians in Mato Grosso (Brazil). At the time of diagnosis the patient showed inappetence, abdominal pain, and loss of weight. Eggs and proglottids were found in her stool and were identified as Bertiella sp. The objective of this report is to register the third case of human Bertiellosis in Brazil, characterizing one more case of helminthic zoonosis.

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R.S., Madle, Pathan D.M., and Bhure Dhanraj Balbhim. "Morphotaxonomic Observation of a New Species of the Genus Marsipometra from Carcharhinus laticaudus." INTERNATIONAL JOURNAL OF BIOLOGICAL AND ENVIRONMENTAL INVESTIGATIONS 02, no. 01 (2022): 19–21. http://dx.doi.org/10.33745/ijbei.2022.v02i01.002.

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Present investigation deals with a new cestode Marsipometra jadhavae Sp.Nov. from Carcharhinus laticaudus at Bhatye, Kalambadevi,Harne, Mirya, Ratnagiri, West Coast of Maharashtra, India. The parasites collected in this study possessed scolex pyramidal, arrow shaped, apical disk narrower than base of scolex, suckers oval to rounded in shape, arranged in two groups, neck absent, Mature proglottids longer than broad, Testes oval, large, 4 in number, cirrus pouch oval, elongated, the vas deference short, genital pore marginal, vagina posterior to the cirrus pouch, ovary bilobed and granular vitel

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Chang, Taehee, Bong-Kwang Jung, Woon-Mok Sohn, et al. "Molecular Diagnosis of Taenia saginata Tapeworms from Two Residents of Northern Cambodia." Korean Journal of Parasitology 58, no. 2 (2020): 201–4. http://dx.doi.org/10.3347/kjp.2020.58.2.201.

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<i>Taenia saginata</i> infection has seldom been reported in Cambodia. In this study, we performed a survey of intestinal parasites in 1,156 residents of Preah Vihear and Stung Treng Provinces in 2018. The results revealed that 26 (2.4%) cases were positive for Taenia spp. eggs. In order to obtain the strobilae of the tapeworms, 2 patients in Preah Vihear were treated with praziquantel and purged with magnesium salts. The proglottids expelled after the medication were morphologically and molecularly analyzed to determine the species. The main uterine lateral braches in gravid progl

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Mondragón-Martínez, Aarón, Rosa Martínez-Rojas, Enrique Garcia-Candela, Abraham Delgado-Escalante, Manuel Tantaleán-Vidaurre, and Lidia Cruz-Neyra. "Molecular Identification of Adenocephalus pacificus (Cestoda) from Three Human Cases in Lima Province, Peru." Korean Journal of Parasitology 58, no. 4 (2020): 457–60. http://dx.doi.org/10.3347/kjp.2020.58.4.457.

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The Pacific tapeworm Adenocephalus pacifcus (syn. Diphyllobothrium pacificum) is a causative agent of diphyllobothriosis occurred in Pacific coast of South America, mainly in Peru. Source of infections are traditional meal from raw or undercooked marine fish such as “cebiche”. We confirmed 3 new cases, one including scolex and the other two headless. A strobila 46 cm long without scolex was discharged from an 8-year-old boy before treatment. Specimens were confirmed morphologically by presence of tegumental protuberances on proglottids and small sized eggs. Partial sequence of cytochrome c oxi

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Mohanty, Aroop, T. Shantikumar Singh, Tshering Ongmu Bhutia, Pratima Gupta, and Priyanka Gupta. "A case of albendazole and niclosamide resistant Taenia saginata infection." International Journal of Research in Medical Sciences 5, no. 6 (2017): 2821. http://dx.doi.org/10.18203/2320-6012.ijrms20172497.

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Taenia saginata infection is an important food-borne parasitic zoonosis which is endemic in countries where majority of people eat raw or inadequately cooked beef. The infection is rare in India except in Jammu Kashmir and Northeast states, India. Majority of taeniasis patients are asymptomatic, few may present with a variety of abdominal symptoms and rarely hepatobiliary complications. Diagnosis is made commonly by finding proglottids and or eggs in the faeces. Here we report a chronic and uncomplicated case of saginata taeniasis resistant to niclosamide and albendazole but responded to a sin

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Bernot, James P., and Janine N. Caira. "Site specificity and attachment mode of Symcallio and Calliobothrium species (Cestoda: “Tetraphyllidea”) in smoothhound sharks of the genus Mustelus (Carcharhiniformes: Triakidae)." PeerJ 7 (July 12, 2019): e7264. http://dx.doi.org/10.7717/peerj.7264.

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Previous studies suggest that cestodes (i.e., tapeworms) of the sister genera Symcallio and Calliobothrium attach in different specific regions of the spiral intestine of their triakid shark hosts, with species of Symcallio attaching in the anterior region of the spiral intestine and species of Calliobothrium attaching with a broader distribution centered around the middle of the spiral intestine. In the present study, we tested the generality of this pattern of site specificity in two additional species pairs: Symcallio peteri and Calliobothrium euzeti in Mustelus palumbes and S. leuckarti an

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TREVISAN, BRUNA, and FERNANDO P. L. MARQUES. "Species diversity of Rhinebothrium Linton, 1890 (Eucestoda: Rhinebothriidea) from Styracura (Myliobatiformes: Potamotrygonidae), including the description of a new species." Zootaxa 4300, no. 3 (2017): 421. http://dx.doi.org/10.11646/zootaxa.4300.3.5.

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The present study contributes to the knowledge of the cestode fauna of species of Styracura de Carvalho, Loboda & da Silva, which is the putative sister taxon of freshwater potamotrygonids—a unique group of batoids restricted to Neotropical freshwater systems. We document species of Rhinebothrium Linton, 1890 as a result of the examination of newly collected specimens of Styracura from five different localities representing the eastern Pacific Ocean and the Caribbean Sea. Overall, we examined 33 spiral intestines, 11 from the eastern Pacific species Styracura pacifica (Beebe & Tee-Van)

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Caira, J. N., M. Malek, and T. Ruhnke. "A new genus of Phyllobothriidae (Cestoda: Tetraphyllidea) in carcharhiniform sharks from Iran and Australia." Journal of Helminthology 85, no. 1 (2010): 40–50. http://dx.doi.org/10.1017/s0022149x10000222.

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AbstractThe collection of cestodes from the carcharhiniform shark Carcharhinus cf. dussumieri in the Persian Gulf off Iran resulted in the discovery of the new genus and species of tetraphyllidean tapeworm, Doliobothrium haselii n. gen. n. sp. Collections from the carcharhiniform shark Rhizoprionodon acutus in the Timor Sea off northern Australia resulted in material that is consistent with a species originally described as Pithophorus musculosus from this host species in India, but that appears to represent a second species in the new genus. This second species is redescribed and transferred

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