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Relevant bibliographies by topics / Fossil Priapulida

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Academic literature on the topic 'Fossil Priapulida'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2025

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Journal articles on the topic "Fossil Priapulida"

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Trott, Thomas J. "Gustatory responses ofpriapulus caudatus delamarck, 1816 (priapulida, priapulidae): Feeding behavior and chemoreception by a living fossil." Marine and Freshwater Behaviour and Physiology 31, no. 4 (1998): 251–57. http://dx.doi.org/10.1080/10236249809387076.

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Ferraguti, Marco, and Claudio Garbelli. "The spermatozoon of a ‘living fossil’: Tubiluchus troglodytes (Priapulida)." Tissue and Cell 38, no. 1 (2006): 1–6. http://dx.doi.org/10.1016/j.tice.2005.05.001.

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HU, SHI-XUE, MAO-YAN ZHU, FANG-CHEN ZHAO, and MICHAEL STEINER. "A crown group priapulid from the early Cambrian Guanshan Lagerstätte." Geological Magazine 154, no. 6 (2017): 1329–33. http://dx.doi.org/10.1017/s001675681700019x.

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AbstractA well-preserved fossil priapulid worm, Xiaoheiqingella sp., is reported from the early Cambrian Guanshan Lagerstätte (Cambrian Series II, Stage 4) near Kunming City, Yunnan Province, SW China. The body of the animal consists of four sections: a swollen introvert, a constricted neck, a finely annulated trunk and a caudal appendage. The body configuration exhibits a close resemblance to that of the crown group priapulid Xiaoheiqingella peculiaris from the early Cambrian Chengjiang Lagerstätte. The new discovery provides another striking example of crown group priapulids, representing th

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Ma, Xiaoya, Richard J. Aldridge, David J. Siveter, Derek J. Siveter, Xianguang Hou, and Gregory D. Edgecombe. "A New Exceptionally Preserved Cambrian Priapulid from the Chengjiang Lagerstätte." Journal of Paleontology 88, no. 2 (2014): 371–84. http://dx.doi.org/10.1666/13-082.

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A fossil priapulid, Eximipriapulus globocaudatus new genus new species, is described from the Cambrian Chengjiang Lagerstätte of Yunnan, China. The exceptional preservation of the animal reveals morphological details that allow direct comparison with extant priapulids. The body is divisible into a partially eversible pharynx, a smooth collar, a scalid-bearing introvert, a neck with triangular scalids, an unsegmented trunk with annulations, and a distinctly expanded terminal region. Several specialized regions of the alimentary canal are recognized: a pharynx (lined by cuticle and bearing teeth

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5

Yang, Jie, Javier Ortega-Hernández, Nicholas J. Butterfield, et al. "Fuxianhuiid ventral nerve cord and early nervous system evolution in Panarthropoda." Proceedings of the National Academy of Sciences 113, no. 11 (2016): 2988–93. http://dx.doi.org/10.1073/pnas.1522434113.

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Panarthropods are typified by disparate grades of neurological organization reflecting a complex evolutionary history. The fossil record offers a unique opportunity to reconstruct early character evolution of the nervous system via exceptional preservation in extinct representatives. Here we describe the neurological architecture of the ventral nerve cord (VNC) in the upper-stem group euarthropodChengjiangocaris kunmingensisfrom the early Cambrian Xiaoshiba Lagerstätte (South China). The VNC ofC. kunmingensiscomprises a homonymous series of condensed ganglia that extend throughout the body, ea

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Kesidis, Giannis, Ben J. Slater, Sören Jensen, and Graham E. Budd. "Caught in the act: priapulid burrowers in early Cambrian substrates." Proceedings of the Royal Society B: Biological Sciences 286, no. 1894 (2019): 20182505. http://dx.doi.org/10.1098/rspb.2018.2505.

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The fossilized traces of burrowing worms have taken on a considerable importance in studies of the Cambrian explosion, partly because of their use in defining the base of the Cambrian. Foremost among these are the treptichnids, a group of relatively large open probing burrows that have sometimes been assigned to the activities of priapulid scalidophoran worms. Nevertheless, most Cambrian burrows have an uncertain progenitor. Here we report a suite of exceptionally preserved trace and body fossils from sandstones of the lower Cambrian (Stage 4) File Haidar Formation of southern Sweden that can

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7

MORRIS, S. CONWAY. "The cuticular structure of the 495-Myr-old type species of the fossil worm Palaeoscolex, P. piscatorum (?Priapulida)." Zoological Journal of the Linnean Society 119, no. 1 (1997): 69–82. http://dx.doi.org/10.1111/j.1096-3642.1997.tb00136.x.

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8

Wills, Matthew A. "Cambrian and Recent disparity: the picture from priapulids." Paleobiology 24, no. 2 (1998): 177–99. http://dx.doi.org/10.1666/0094-8373(1998)024[0177:cardtp]2.3.co;2.

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Abstract An understanding of several macroevolutionary trends has been greatly advanced in recent years by a focus on disparity (morphological variety) rather than taxic diversity. A seminal issue has been the nature of the Cambrian Radiation, and the question of whether problematical Cambrian fossils embody a range of anatomical design far exceeding that observed thereafter. Arthropods have hitherto furnished the only case study, revealing comparable levels of Cambrian and Recent disparity. The generality of this observation needs to be tested in other groups, and the priapulid worms provide

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9

Peel, John S. "A corset-like fossil from the Cambrian Sirius Passet Lagerstätte of North Greenland and its implications for cycloneuralian evolution." Journal of Paleontology 84, no. 2 (2010): 332–40. http://dx.doi.org/10.1666/09-102r.1.

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A large (maximum length 80 mm), tubular, corset-like problematic fossil from the early Cambrian (Cambrian Series 2, Stage 3) Sirius Passet Lagerstätte of North Greenland is interpreted as the lorica of an ancestral loriciferan. in addition to the double circlet of 7 plates composing the lorica, Sirilorica carlsbergi new genus, new species also preserves up to six multicuspidate cuticular denticles that are similar in shape to the pharyngeal teeth of priapulid worms, although their location is suggestive of scalids. Whilst traditionally placed as a sister group of priapulid worms within Vinctip

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10

Zhao, Fangchen, Jean-Bernard Caron, David J. Bottjer, Shixue Hu, Zongjun Yin, and Maoyan Zhu. "Diversity and species abundance patterns of the Early Cambrian (Series 2, Stage 3) Chengjiang Biota from China." Paleobiology 40, no. 1 (2014): 50–69. http://dx.doi.org/10.1666/12056.

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Lagerstättenfrom the Precambrian–Cambrian transition have traditionally been a relatively untapped resource for understanding the paleoecology of the “Cambrian explosion.” This quantitative paleoecological study is based on 10,238 fossil specimens belonging to 100 animal species, 11 phyla, and 15 ecological categories from the lower Cambrian (Series 2, Stage 3) Chengjiang biota (Mafang locality near Haikou, Yunnan Province, China). Fossils were systematically collected within a 2.5-meter-thick sequence divided into ten stratigraphic intervals. Each interval represents an induced time-averaged

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Books on the topic "Fossil Priapulida"

1

A, Robison R., ed. Middle Cambrian priapulids and other soft-bodied fossils from Utah and Spain. University of Kansas Paleontological Institute, 1986.

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Book chapters on the topic "Fossil Priapulida"

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"2. Gastrotricha, Cycloneuralia and Gnathifera: The Fossil Record." In Nematomorpha, Priapulida, Kinorhyncha, Loricifera. De Gruyter, 2012. http://dx.doi.org/10.1515/9783110272536.11.

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"Priapulida and Relatives." In The Cambrian Fossils of Chengjiang, China. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781118896372.ch17.

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Conference papers on the topic "Fossil Priapulida"

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Turk, Katherine, Katie Maloney, Marc Laflamme, and Simon A. F. Darroch. "PRIAPULID TRACE FOSSILS FROM THE LATE EDIACARAN OF NAMIBIA." In GSA Connects 2021 in Portland, Oregon. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021am-369978.

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