Biology:Arctotraversodontinae

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Short description: Extinct subfamily of tetrapods

Arctotraversodontinae
Temporal range: Late Triassic
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Family: Traversodontidae
Subfamily: Arctotraversodontinae
Hendrickx et al., 2020
Genera

See text

Arctotraversodontinae is a subfamily of Late Triassic cynodonts belonging to the family Traversodontidae. Members of the subfamily include Arctotraversodon, Boreogomphodon and Plinthogomphodon from North America, and Habayia, Maubeugia, Microscalenodon and Rosieria from Europe.[1]

Classification

The subfamily was erected in 2020 by Hendrickx et al., who defined it as all traversodontids more closely related to Arctotraversodon plemmyridon than to Massetognathus pascuali or Gomphodontosuchus brasiliensis.[1] In their cladistic analysis, they found Arctotraversodontinae to be the sister taxon of the subfamily Gomphodontosuchinae. Below is a cladogram from that analysis:[1]

Traversodontidae

BP/1/5538

CGS JSM 100

Etjoia

Nanogomphodon

Scalenodon angustifrons

Traversodontinae

Andescynodon

Pascualgnathus

Mandagomphodon

Scalenodon ribeiroae

Massetognathinae

Gomphodontosuchinae

Arctotraversodontinae

Boreogomphodon

Plinthogomphodon

Arctotraversodon

Maubeugia

Microscalenodon

Habayia

Rosieria

References

Wikidata ☰ Q104832555 entry