Genus: Eocasea REISZ & FRÖBISCH, 2014
Etymology: The generic name referes to the fact that this is the odlest known member of the clade.

Species: martini REISZ & FRÖBISCH, 2014
Etymology: In honor of the late Dr. Larry Martin, the original collector of the holotype specimen.
= Genus: Nova REISZ, FROBISCH, BERMAN & HENRICI, 2010

Holotype: KUVP 9616b

Locality: Hamilton Quarry Locality, ca. 2 mi East of Hamilton, sec. 8, T24S, R12E, Greenwood County, Kansas.

Horizon: Calhoun Shale, Topeka Limestone, Shawnee Group.

Biostratigraphy:

Age: Virgilian Series (Stephanian of Europe), Gzelian Epoch, Late Pennsylvanian.

Material: Fragmentary skull and nearly complete skeleton of an immature individual.