Seymouriamorpha

Source: Wikipedia, the free encyclopedia.

Seymouriamorpha
Temporal range:
Late Permian
Fossil of Seymouria in the National Museum of Natural History
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Reptiliomorpha (?)
Order: Seymouriamorpha
Watson
, 1917
Subgroups

See text.

Seymouriamorpha were a small but widespread group of limbed vertebrates (

extinct by the end of the Permian.[3]

Taxonomy

Cladogram based on Ruta, Jeffery, & Coates (2003):[5]

Seymouriamorpha

Kotlassia

Utegenia

Seymouria baylorensis

Seymouria sanjuanensis

Ariekanerpeton

Discosauriscus austriacus

Discosauriscus pulcherrimus

Cladogram based on Klembara (2009) & Klembara (2010):[6][7]

Seymouriamorpha

Utegenia

Seymouria

Karpinskiosaurus

Discosauriscidae

Makowskia

Spinarerpeton

Ariekanerpeton

Discosauriscus

Gallery

References

  1. .
  2. .
  3. ^ Bulanov VV (2003). "Evolution and systematics of seymouriamorph parareptiles". Paleontological Journal. 37 (Supplement 1): 1–105.
  4. .
  5. .
  6. .
  7. .

External links