The family includes the genera
Colony well calcified, encrusting to erect, adeoniform or fenestrate and bilaminar. Zooids with a large opesia, and a well developed cryptocyst, which may be produced proximally as a median process, forming paired 'opesiules', or as a denticle. Avicularia and spines absent. Brooding zooids large, with a dimorphic orifice, ovicell capsule endozooidal, very large, protruding into the cavity of the next distal zooid. (after Cook & Bock 2001)
Reference: Cook, Patricia L., & Bock, Philip E., 2001.
Calescharidae, a new family for the Tertiary to Recent genera Caleschara MacGillivray and Tretosina Canu & Bassler (Bryozoa: Cheilostomata).
Invertebrate Taxonomy, 15: 527-550.
Caleschara denticulata | Caleschara junctifera | Caleschara lithconis | Caleschara minuta |
Caleschara parva | Tretosina arcifera | Tretosina moderna |
Caleschara mexicana at The Bryozoans of the Pacific