noun
definition
Any of various tooth shells of the genus Dentalium.
Examples of dentalium in a Sentence
This is not always the case with Lamellibranchs; there is in the group a tendency for the corresponding edges of the mantle-skirt to fuse together by concrescence, and so to form a more or less completely closed bag, as in the Scaphopoda (Dentalium).
A similar modification of the velum occurs in Dentalium and in Myzomenia among the Amphineura.
An additional class was instituted for the reception of Dentalium and its few allies, and for this class Bronn's name Scaphopoda was used.
At first supposed to be tubicolous Annelids, Dentalium and its allies were afterwards placed among the Gastropoda, to which recent authorities consider them to be closely related.