Haptodus
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Haptodus is an extinct genus of basal sphenacodonts, a member of the clade that includes therapsids and hence, mammals. It was at least 1.5 metres in length. It lived in present-day France during the
Haptodus baylei holotype
Raranimus dashankouensis
Eupelycosauria
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Eupelycosauria is a large clade of animals characterized by the unique shape of their skull, encompassing all mammals and their closest extinct relatives. They first appeared 308 million years ago dur
Haptodus
…was named by Spindler in 2020 as a new genus and species, Kenomagnathus scottae. Phylogeny Haptodus in a cladogram after Huttenlocker et al. (2021): Eupelycosauria Varanopidae Ophiacodontidae Sphenacomorpha Edaphosauridae Sphenacodontia Haptodus Ianthodon Palaeohatteria Pantelosaurus Sphenacodontoidea References…
Edaphosaurus
Cutleria wilmarthi reconstruction
Archaeothyris belongs to the family Ophiacodontidae and appears in the Early Pennsylvanian