LIRELLIDAE

Description

Small , elliptical shell with longitudinal str iae : apex with or without apical spine , or with an elliptical ring connecting apex and exte rior of aperture. One of the most abundant families of deep-water dwellers (Fig. 40).

Type species

Figures

Raw text

Small , elliptical shell with longitudinal str iae :
apex with or without apical spine , or with an
elliptical ring connecting apex and exte rior of
aperture. One of the most abundant families of
deep-water dwellers (Fig. 40).