Genus Kiaeroceras Strand, 1934

Type species

Kiaeroceras frognoyense Strand, 1934, Frognøya, Ringerike, Norway, Sørbakken Formation, late Katian, Late Ordovician; by original designation.

Diagnosis

Slender brevicones with ovate compressed cross section; a mature body chamber with pronounced constriction somewhat adapical of the peristome; aperture with deep and broad hyponomic sinus; sutures with lateral lobes and pronounced saddle on prosiphuncular side; siphuncle close to conch margin, with broadly expanded siphuncular segments, with prominent bulletes. (Adopted from Strand 1934.)