craniadæ, fcraniidæ

pl. [Mod. Lat. crania, and fem. pl. adj. suff. -idœ.] Zool .: A family of Mollusks, cla Brachiopod a. The shell, which is punctate, is orbicular, calcareous, and hingele , attached by the umbo or by the whole breadth of the ventral valve, rarely free; the dorsal valve is limpet-like, the disk with four large muscular impre ions, and digitated vascular ones. Only known genus, Crania (q. v.). cra-ni-al, 8. [Mod. Lat. cranial is , from cra nium (q. v.), and suff.- alis .] Pertaining or relating to the cranium (q. v.). Thus there are a cranial cavity, a cranial flex us, cranial arteries, nerves, ganglia, and sinuses.