Genus: Euptychognathus KAMMERER, ANGIELCZYK & FORBISCH, 2011 (Published in 2012)
Etymology: 'Well-folded jaw,' from the ancient Greek, 'good, well', 'folded', 'jaw', referring to the distinct biplanarity of the snout profile and to Ptychognathus, Owen's orignial (but preoccupited) name for Lystrosaurus. Masculine.

Species: bathyrhynchus (HUENE, 1942) KAMMERER, ANGIELCZYK & FORBISCH, 2011 (Published in 2012)
= Dicynodon bathyrhynchus HUENE, 1942
Etymology:

Holotype: UT K 19

Locality: Kingori, Ruhuhu, Tanzania, East Africa.

Horizon: Lower Bone Bed.

Biostratigraphy:

Age: Late Permian.

Material: Fragmentary skull.
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