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HandWiki. Lagosuchus. Encyclopedia. Available online: https://encyclopedia.pub/entry/32511 (accessed on 22 September 2026).
HandWiki. Lagosuchus. Encyclopedia. Available at: https://encyclopedia.pub/entry/32511. Accessed September 22, 2026.
HandWiki. "Lagosuchus" Encyclopedia, https://encyclopedia.pub/entry/32511 (accessed September 22, 2026).
HandWiki. (2022, November 02). Lagosuchus. In Encyclopedia. https://encyclopedia.pub/entry/32511
HandWiki. "Lagosuchus." Encyclopedia. Web. 02 November, 2022.
Lagosuchus
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The content is sourced from: https://handwiki.org/wiki/Biology:Lagosuchus

Lagosuchus is an extinct genus of avemetatarsalian archosaur from the Late Triassic of Argentina . The type species of Lagosuchus, Lagosuchus talampayensis, is based on a small partial skeleton recovered from the early Carnian-age Chañares Formation. The holotype skeleton of L. talampayensis is fairly fragmentary, but it does possess some traits suggesting that Lagosuchus was a probable dinosauriform, closely related to dinosaurs. A second potential species of Lagosuchus, L. lilloensis, is based on an assortment of slightly larger and more well-preserved fossils. These larger specimens have been considered much more diagnostic and informative than the original small L. talampayensis skeleton. As a result, some paleontologists have placed the larger specimens into a new genus, Marasuchus. Marasuchus is generally considered one of the more complete early dinosauriforms, useful for estimating ancestral traits for the origin of dinosaurs. This would also render Lagosuchus a nomen dubium, simply a name referring to a fossil which is too fragmentary to have a formal genus. However, other paleontologists support the argument that Lagosuchus is a valid genus, and that Marasuchus is a junior synonym of it.

archosaur avemetatarsalian lagosuchus

References

  1. Romer, Alfred Sherwood (15 June 1971). "The Chañares (Argentina) Triassic reptile fauna. X. Two new but incompletely known long-limbed pseudosuchians". Breviora 378: 1–10. https://www.biodiversitylibrary.org/page/4306596#page/485/mode/1up. 
  2. Romer, Alfred Sherwood (11 August 1972). "The Chañares (Argentina) Triassic reptile fauna. XV. Further remains of the thecodonts Lagerpeton and Lagosuchus". Breviora 394: 1–7. https://archive.org/details/cbarchive_40458_thechanaresargentinatriassicre1952/page/n2. 
  3. Jose, Bonaparte (1975). "Nuevos materiales de Lagosuchus talampayensis Romer (Thecodontia-Pseudosuchia) y su significado en el origen de los Saurischia: Chañarense inferior, Triásico medio de Argentina". Acta Geológica Lilloana 13 (1): 5–90. https://paleoglot.org/files/Bonaparte_75.pdf. 
  4. Nesbitt, S.J. (2011). "The Early Evolution of Archosaurs: Relationships and the Origin of Major Clades". Bulletin of the American Museum of Natural History 352: 189. doi:10.1206/352.1. ISSN 0003-0090. https://digitallibrary.amnh.org/handle/2246/6112. 
  5. Sereno, Paul C.; Arcucci, Andrea B. (March 1994). "Dinosaurian precursors from the Middle Triassic of Argentina: Marasuchus lilloensis, gen. nov.". Journal of Vertebrate Paleontology 14 (1): 53–73. doi:10.1080/02724634.1994.10011538.  https://dx.doi.org/10.1080%2F02724634.1994.10011538
  6. Agnolin, Federico L.; Ezcurra, Martin D. (2019). "The Validity of Lagosuchus Talampayensis Romer, 1971 (Archosauria, Dinosauriformes), from the Late Triassic of Argentina". Breviora 565 (1): 1–21. doi:10.3099/0006-9698-565.1.1. ISSN 0006-9698. https://mczbase.mcz.harvard.edu/specimen_images/publications/Breviora_565.pdf. 
  7. Claudia A. Marsicano; Randall B. Irmis; Adriana C. Mancuso; Roland Mundil; Farid Chemale (2016). "The precise temporal calibration of dinosaur origins". Proceedings of the National Academy of Sciences of the United States of America 113 (3): 509–513. doi:10.1073/pnas.1512541112. PMID 26644579. Bibcode: 2016PNAS..113..509M.  http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=4725541
  8. Palmer, D., ed (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 97. ISBN 978-1-84028-152-1. 
  9. Paul, Gregory (1988). Predatory dinosaurs of the world. Simon & Schuster. https://archive.org/details/predatorydinosau00paul. 
  10. Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2011 Appendix. http://www.geol.umd.edu/~tholtz/dinoappendix/HoltzappendixWinter2011.pdf
  11. Pontzer, Herman; Allen, Vivian; Hutchinson, John R. (2009). "Biomechanics of Running Indicates Endothermy in Bipedal Dinosaurs". PLOS ONE 4 (12): e7783. doi:10.1371/journal.pone.0007783. PMID 19911059. Bibcode: 2009PLoSO...4.7783P.  http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=2772121
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