Dalecarlioceras Frye, 1987

Kröger, Björn, 2013, The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden, European Journal of Taxonomy 41, pp. 1-110 : 23

Genus Dalecarlioceras Frye, 1987

Type species

Dalecarlioceras bodense Frye, 1987 , Kallholn, Dalarna, Sweden, Boda Limestone, late Katian, Late Ordovician; by original designation.

Diagnosis

Cyrtocones with moderate to large angle of expansion, compressed conch cross sections; conch curved with siphuncle close to conch margin on convex side of conch curvature; body chamber gibbous with maximum gibbosity at mid-length, becoming compressed orad with profile on antispihuncular side faintly concave, moderately convex on prosiphuncular side; aperture may be constricted with prominent hyponomic sinus; siphuncle small in diameter with tubular, somewhat expanded segments that are empty. (Adopted from Frye 1987.)