Genus: Euptychognathus KAMMERER, ANGIELCZYK & FORBISCH, 2011 (Published in 2012)
Etymology: Greek, eu, "good," Greek, ptycho, "folded" and Greek, gnathos, "jaw": '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: Greek, bathys, "deep" and Greek, rhynchus, "beak, snout."

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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