Malerisaurus

Source: Wikipedia, the free encyclopedia.

Malerisaurus
Temporal range:
Ma
Malerisaurus robinsonae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauromorpha
Clade: Allokotosauria
Family: Azendohsauridae
Subfamily:
Malerisaurinae
Genus: Malerisaurus
Chatterjee, 1980
Species
  • M. robinsonae Chatterjee, 1980 (type)
  • M. langstoni Chatterjee, 1986

Malerisaurus is an

USA.[1][2]

Description

Malerisaurus was a medium-sized archosauromorph which averaged 1.2 meters in length.

Prolacertiformes, which currently represents four families: Sharovipterygidae, Protorosauridae, Prolacertidae and Tanystropheidae. Chatterjee provisionally regarded Malerisaurus as close to Protorosaurus.[1]

A second species, M. langstoni, is known from the

Nesbitt et al. (2017) reinterpreted Malerisaurus as an allokotosaurian archosauromorph belonging to the family Azendohsauridae.[5] In 2021, Nesbitt et al. once again looked at Malerisaurus, and found it to be an early-diverging, but late surviving, carnivorous azendohsaurid. This study also found M. langstoni to be a valid and distinct species of Malerisaurus.[6]

Etymology

Malerisaurus was named by Sankar Chatterjee in

Wann Langston, Jr.[2]

Classification

In their 2024 review of Malerisaurus, Sengupta, Ezcurra & Bandyopadhyay analyzed its

Malerisaurinae. Their results are displayed in the cladogram below:[7]

Allokotosauria

Trilophosauridae

Azendohsauridae
Malerisaurinae

Malerisaurus robinsonae

Malerisaurus langstoni

Puercosuchus

Pamelaria

Shringasaurus

Azendohsaurus laaroussii

Azendohsaurus madagaskarensis

References

  1. ^ .
  2. ^ .
  3. ^ "Palaeos Mesozoic: Triassic: Late Triassic: Carnian - 2". Archived from the original on 2013-12-24. Retrieved 2012-05-25.
  4. ^ Spielmann, J.A., Lucas, S.G., Hunt, A.P., and Heckert. 2006. Reinterpretation of the holotype of Malerisaurus langstoni, a diapsid reptile from the Upper Triassic Chinle Group of West Texas. The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science, Bulletin 37:543-547.
  5. ^ Sterling J. Nesbitt; Michelle R. Stocker; Martín Ezcurra; Nicholas C. Fraser; Andrew B. Heckert; Adam Marsh; William Parker; Bill Mueller; Adam C. Pritchard (2017). "The 'strange reptiles' of the Triassic: the morphology, ecology, and taxonomic diversity of the clade Allokotosauria illuminated by the discovery of an early diverging member". Society of Vertebrate Paleontology 77th Annual Meeting Program & Abstracts: 168–169.
  6. S2CID 245049571
    .
  7. .