Literatura académica sobre el tema "Subadult teeth"

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Artículos de revistas sobre el tema "Subadult teeth"

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Powter, David Mark, William Gladstone, and Margaret Platell. "The influence of sex and maturity on the diet, mouth morphology and dentition of the Port Jackson shark, Heterodontus portusjacksoni." Marine and Freshwater Research 61, no. 1 (2010): 74. http://dx.doi.org/10.1071/mf09021.

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Dietary studies are essential for an understanding of elasmobranch ecology and their role in marine ecosystems. The diet, head morphology and dentition of Heterodontus portusjacksoni, an abundant, epibenthic shark in the coastal waters of temperate eastern Australia, were examined in 2004–2005. The stomach contents of the juvenile, subadult and adult stages of 136 males and 100 females were examined. Diets were broad (32 prey taxa), but dominated by molluscs, teleosts and cephalopods. Analyses of stomach contents data demonstrated that diet differed significantly by ontogenetic stage, but not
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Wilson, Laura E., Karen Chin, and Stephen L. Cumbaa. "A new hesperornithiform (Aves) specimen from the Late Cretaceous Canadian High Arctic with comments on high-latitude hesperornithiform diet." Canadian Journal of Earth Sciences 53, no. 12 (2016): 1476–83. http://dx.doi.org/10.1139/cjes-2016-0053.

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Here we describe a new hesperornithiform specimen from the Upper Cretaceous Kanguk Formation of Devon Island, Nunavut, Canada. This specimen (NUVF 286) is referred to cf. Hesperornis sp. based on size and shape of femora and teeth preserved with other skeletal elements. Previous osteohistologic analyses indicate a subadult ontogenetic stage at the time of death. This new cf. Hesperornis specimen includes the first teeth associated with a high-latitude hesperornithiform, allowing for comments on the trophic behavior of these birds. Paleoecological reconstructions based on current knowledge of p
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Pérez, Beatriz, Alejandro Romero, and Alejandro Pérez-Pérez. "Age-related variability in buccal dental-microwear in Middle and Upper Pleistocene human populations." Anthropological Review 74, no. 1 (2011): 25–37. http://dx.doi.org/10.2478/v10044-010-0005-0.

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Age-related variability in buccal dental-microwear in Middle and Upper Pleistocene human populationsInfants are thought to present a different buccal microwear pattern than adults and these, therefore, are generally analyzed separately. However, El-Zaatari & Hublin [2009] showed that occlusal texture in Neandertal and modern human juvenile populations did not differ from their elders. The microwear patterns of a sample of 193 teeth, corresponding to 61 individuals ofHomo heidelbergensis, H. neanderthalensisand anatomically modern humans (AMH), were analyzed revealing that AMH infants up to
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Peterson, Joseph E., and Karsen N. Daus. "Feeding traces attributable to juvenile Tyrannosaurus rex offer insight into ontogenetic dietary trends." PeerJ 7 (March 4, 2019): e6573. http://dx.doi.org/10.7717/peerj.6573.

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Theropod dinosaur feeding traces and tooth marks yield paleobiological and paleoecological implications for social interactions, feeding behaviors, and direct evidence of cannibalism and attempted predation. However, ascertaining the taxonomic origin of a tooth mark is largely dependent on both the known regional biostratigraphy and the ontogenetic stage of the taxon. Currently, most recorded theropod feeding traces and bite marks are attributed to adult theropods, whereas juvenile and subadult tooth marks have been rarely reported in the literature. Here we describe feeding traces attributabl
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Koenigswald, Wighart, B. Holly Smith, and Thomas Keller. "Supernumerary teeth in a subadult rhino mandible (Stephanorhinus hundsheimensis) from the middle Pleistocene of Mosbach in Wiesbaden (Germany)." Paläontologische Zeitschrift 81, no. 4 (2007): 416–28. http://dx.doi.org/10.1007/bf02990253.

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Beck, Jess, and B. Holly Smith. "Don't throw the baby teeth out with the bathwater: Estimating subadult age using tooth wear in commingled archaeological assemblages." International Journal of Osteoarchaeology 29, no. 5 (2019): 831–42. http://dx.doi.org/10.1002/oa.2802.

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Diedrich, Cajus G. "‘Neanderthal bone flutes’: simply products of Ice Age spotted hyena scavenging activities on cave bear cubs in European cave bear dens." Royal Society Open Science 2, no. 4 (2015): 140022. http://dx.doi.org/10.1098/rsos.140022.

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Punctured extinct cave bear femora were misidentified in southeastern Europe (Hungary/Slovenia) as ‘Palaeolithic bone flutes’ and the ‘oldest Neanderthal instruments’. These are not instruments, nor human made, but products of the most important cave bear scavengers of Europe, hyenas. Late Middle to Late Pleistocene (Mousterian to Gravettian) Ice Age spotted hyenas of Europe occupied mainly cave entrances as dens (communal/cub raising den types), but went deeper for scavenging into cave bear dens, or used in a few cases branches/diagonal shafts (i.e. prey storage den type). In most of those de
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Sehrawat, Jagmahender Singh, and Jaspreet Kaur. "Role of stable isotope analyses in reconstructing past life-histories and the provenancing human skeletal remains: a review." Anthropological Review 80, no. 3 (2017): 243–58. http://dx.doi.org/10.1515/anre-2017-0017.

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AbstractThis article reviews the present scenario of use of stable isotopes (mainly δ13C, δ15N, δ18O,87Sr) to trace past life behaviours like breast feeding and weaning practices, the geographic origin, migration history, paleodiet and subsistence patterns of past populations from the chemical signatures of isotopes imprinted in human skeletal remains. This approach is based on the state that food-web isotopic signatures are seen in the human bones and teeth and such signatures can change parallely with a variety of biogeochemical processes. By measuring δ13C and δ15N isotopic values of subadu
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Dogaroiu, C., A. Cosma, E. V. Gherghe, G. Morosanu, and M. Avramoiu. "Age estimation in subadults using teeth eruption examination." Romanian Journal of Legal Medicine 23, no. 1 (2015): 49–56. http://dx.doi.org/10.4323/rjlm.2015.49.

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BOLSTAD, KATHRIN S. R. "Systematics of the Onychoteuthidae Gray, 1847 (Cephalopoda: Oegopsida)." Zootaxa 2696, no. 1 (2010): 1. http://dx.doi.org/10.11646/zootaxa.2696.1.1.

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Squids in the family Onychoteuthidae Gray, 1847, have been reported from every ocean but the Arctic, are taken frequently in deep-sea fisheries bycatch, and are ecologically important in the diets of many marine predators including cetaceans, pinnipeds, sharks, and seabirds. However, the diversity and systematics of the family have remained poorly understood. Of the 60+ nominal species, 12–14 have generally been accepted in recent studies. Challenges to clarity include insufficient species descriptions, original descriptions published in eight languages and often based solely on early life sta
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Tesis sobre el tema "Subadult teeth"

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Ogden, Alan R., R. Pinhasi, and W. J. White. "Nothing new under the heavens: MIH in the past?" 2008. http://hdl.handle.net/10454/4702.

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no<br>This was to study an archaeological population of subadult teeth in 17th and 18th century skeletal material from a London (England) cemetery for enamel defects including molar-incisor-hypomineralisation (MIH).Methods: Dentitions of 45 sub-adults were examined using standard macroscopic methods and systematically recorded. A total of 557 teeth were examined with a *5 lens and photographed. Ages of the individuals were estimated from their dental crown and root development stages and not from charts that combine tooth eruption with development stages. The dental age of the individual and t
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Capítulos de libros sobre el tema "Subadult teeth"

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Turner, Grace. "Bioarchaeological Analysis of Remains." In Honoring Ancestors in Sacred Space. University Press of Florida, 2017. http://dx.doi.org/10.5744/florida/9781683400202.003.0006.

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Presumably in constructing the sidewalk, the bones from these shallow burials were disposed of elsewhere. Remains of five adults and one child were excavated. Seven subadult teeth were surface-collected around a hole at the western edge of the site. Being buried in moist sand meant that most bones excavated were fragmented. Bones and teeth were examined for evidence of pathologies. This small sample is not representative of the community, but the pathologies provide insight on these persons’ lives. The linea aspera on the only femur excavated is fairly robust. The individual’s sex was indeterminate, but this ambiguity reinforced the point that both men and women in this community engaged in physically demanding work. Cranial fragments from two individuals were thickened, an indicator of anemia resulting from nutritional deficiency or disease. Cribra orbitalia was noted in the eye socket of one individual, another indicator of nutritional deficiency. Two of the child’s incisors have transverse lines, evidence of enamel hypoplasia, an indicator of infectious disease and nutritional stress. Individuals buried in this cemetery were likely of low social status, living in congested and unsanitary conditions with limited food. These pathologies raise questions about the extent these conditions existed among African-Bahamian communities. Economic opportunities for free and enslaved workers would have been limited.
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