Tanytrachelos Explained

Tanytrachelos is an extinct genus of tanystropheid archosauromorph reptile from the Late Triassic of the eastern United States.[1] It contains a single species, Tanytrachelos ahynis, which is known from several hundred fossil specimens preserved in the Solite Quarry in Cascade, Virginia. Abundant fossils of Tanytrachelos are found in a series of lakebed sediments that were deposited over the course of about 350 thousand years in a lake which existed approximately 230 million years ago. Some fossils are very well-preserved and include the remains of soft tissues.[2] [3] Tanytrachelos is the most likely trackmaker of the ichnogenus Gwyneddichnium.[4]

Tanytrachelos remains have also been found in the Chinle Formation of Arizona[5] and the Lockatong Formation of New Jersey.[6]

Notes and References

  1. Olsen. Paul E.. 1979. A new aquatic Eosuchian from the Newark Supergroup (Late Triassic–Early Jurassic) of North Carolina and Virginia. Postilla. 176. 1–14.
  2. Casey. M. M.. Fraser. N. C.. Kowalewski. M.. 2007. Quantitative taphonomy of a Triassic reptile Tanytrachelos ahynis from the Cow Branch Formation, Dan River Basin, Solite Quarry, Virginia. PALAIOS. 22. 6. 598. 10.2110/palo.2006.p06-010r. 2007Palai..22..598C. 10919/32503. 128741450. free.
  3. Smith. Omega (formerly "Amy C."). 11 April 2011. Description of Tanytrachelos ahynis and its implications for the phylogeny of Protorosauria. Virginia Tech. Dissertation. 10919/37652.
  4. Lucas. Spencer G.. Szajna. Michael J.. Lockley. Martin G.. Fillmore. David L.. Simpson. Edward L.. Klein. Hendrik. Boyland. Jack. Hartline. Brian W.. 2014. The middle-late Triassic tetrapod footprint ichnogenus Gwyneddichnium. New Mexico Museum of Natural History & Science Bulletin. 62. 135–156.
  5. Book: Irmis, Randall B.. The vertebrate fauna of the Upper Triassic Chinle Formation in northern Arizona. Mesa Southwest Museum. 2005. 63–88. dead. https://web.archive.org/web/20121004035942/http://ist-socrates.berkeley.edu/~irmisr/chinlerev.pdf. 2012-10-04.
  6. Schein. Jason P.. Parris. David C.. Pellegrini. Rodrigo. 2010. A complete and articulated Tanytrachelos ahynis (Reptilia: Protorosauroidea) from the Late Triassic Lockatong Formation of northern New Jersey, U.S.A.. en . Poster.

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