Calcified meaning

In addition to these, there exists in the interior of the dorsal valve of some genera a variously modified, thin, calcified, ribbon-shaped skeleton for the support of the ciliated arms, and the form of this ribbon serves as one of the chief generic characters of both recent and extinct forms. This brachial skeleton is more developed in some genera than in others.

Cephalic shield pointed behind; shell internal, chiefly membranous, with calcified nucleus, nautiloid; parapodia forming fins.

They secrete a cuticle which never approaches in thickness the often calcified cuticle of Arthropods.

Anomia; byssus large and calcified; British.

Stomach generally provided with chitinous or calcified masticatory plates.