Gigantoporidae

General description: 

Bryozoans in this family form erect or encrusting colonies. Autozooids with evenly perforated frontal shield. Primary orifice shallowly sinuate, with well developed condyles. Avicularia adventitious; typically paired, lateral-oral, the rostrum of each connected by a peristomial bridge; absent in some genera. Peristome variably developed, often with a complete basal spiramen. Ovicells hyperstomial or partially immersed, imperforate. Vertical wall with basal or mural pore chambers.

(Hayward and Ryland, 1999)

Taxonomic name: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith