Genus: Arctotraversodon SUES, HOPSEN & SHUBIN, 1992
Etymology: Greek, arktos, “bear (north pole)”, + Traversodon: Northern Traversodont.

Species: plemmyridon (HOPSEN, 1984) SUES, HOPSEN & SHUBIN, 1992
Etymology:
= Scalenodontoides? plemmyeidon HOPSON, 1984

Holotype: YPM-VPPU 019190

Locality: Northeast corner of Burntcoat headland, Burntcoat shore, 1. 4km (1.5 miles) northwest of Noel, Hants County, Nova Scotia Province, Canada.

Horizon: Evangeline Member, Wolfville Formation, Fundy Group, Newark Supergroup.

Biostratigraphy:

Age: Late Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material: Horizontal ramus of the right dentary with conjoined symphyseal portion of the left dentary and partially erupted right third incisor and unerupted right first incisor.

Hypodigm:

YPM-PU 19190A: Isolated ?Right caninae.

YPM-PU 21693: Small incomplete left dentary without teeth.

NSM 983GF2.1: Right lower postcanine tooth.

NSM 990GF89.1: Left upper postcanine tooth.

Referred material:

 

Locality: Evangeline Beach, Kings County, Nova Scotia Province, Canada.

Horizon: Wolfville Formation, Fundy Group, Newark Supergroup.

Biostratigraphy:

Age: Late Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

YPM-PU 22343: Fragment of a small dentary without teeth.