Tetraclaenodon

{{Short description|Extinct genus of mammals}}

{{Expand language|topic=|langcode=it|otherarticle=Tetraclaenodon|date=November 2020}}

{{Automatic taxobox

| fossil_range = Paleocene {{fossil range|61.7|56.8}}

| image = Tetraclaenodon puercensis.jpg

| taxon = Tetraclaenodon

| authority = Scott, 1892

| subdivision_ranks = Species

| subdivision_ref = {{fossilworks |id=52211 |title=Tetraclaenodon puercensis |accessdate=4 May 2021 }}{{fossilworks |id=52212 |title=Tetraclaenodon septentrionalis |accessdate=4 May 2021 }}

| subdivision = * {{extinct}}Tetraclaenodon puercensis (Cope, 1881)

• {{extinct}}Tetraclaenodon septentrionalis Thewissen, 1990

}}

Tetraclaenodon was a genus of small and early ungulate mammals that was part of the Phenacodontidae family.{{fossilworks |id=42289 |title=Tetraclaenodon |accessdate=4 May 2021 }} It is the oldest and most primitive phenacodontid.{{cite journal|author=P. Kondrashov, Spencer G. Lucas|date=January 2012|title=Nearly Complete Skeleton of Tetraclaenodon (Mammalia, Phenacodontidae) from the Early Paleocene of New Mexico: Morpho-Functional Analysis|journal=Journal of Paleontology|volume=86|issue=1|pages=25–43|doi=10.2307/41409129}} Its fossils known from the Nacimiento Formation, New Mexico. In 2012, Tetraclaenodon was defined as the basalmost member of the clade containing "Phenacodontidae" and Altungulata.

File:Tetraclaenodon puercensis.png