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Tanysauria

From Wikipedia, the free encyclopedia

Tanysaurians
Temporal range: Triassic
Skeletal reconstruction of Tanystropheus hydroides
Skeletal reconstruction of Dinocephalosaurus 
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauromorpha
Clade: †Tanysauria
Spiekman et al., 2024
Subgroups

Tanysauria (meaning "long lizards") is an extinct clade long-necked archosauromorph reptiles from the Triassic period of Europe, Asia, North America, and South America. It comprises the families Tanystropheidae and Trachelosauridae (found by the authors to be coextensive with Dinocephalosauridae, and a senior synonym of the latter). Within the Archosauromorpha, Tanysauria represents the sister group to the Crocopoda.[1] It contains many of the species formerly placed in "Protorosauria", which is now thought to be a paraphyletic group.

Classification

In their 2024 redescription of Trachelosaurus, Spiekman and colleagues named Tanysauria as a new clade containing the Tanystropheidae and Trachelosauridae (a senior synonym of Dinocephalosauridae). This clade is the sister taxon to the Crocopoda. The results of their phylogenetic analyses are shown in the cladogram below:<ref name="Tanysauria">

References

  1. ^ Spiekman, Stephan N. F.; Ezcurra, Martín D.; Rytel, Adam; Wang, Wei; Mujal, Eudald; Buchwitz, Michael; Schoch, Rainer R. (2024-03-15). "A redescription of Trachelosaurus fischeri from the Buntsandstein (Middle Triassic) of Bernburg, Germany: the first European Dinocephalosaurus-like marine reptile and its systematic implications for long-necked early archosauromorphs". Swiss Journal of Palaeontology. 143 (1): 10. doi:10.1186/s13358-024-00309-6. ISSN 1664-2384.
This page was last edited on 24 April 2024, at 17:00
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