Cystoporata

Classification
Phylum: Bryozoa
Class: Stenolaemata
Order: Cystoporata (Ulrich, 1882)
Cincinnatian Genera: Ceramoporella, Constellaria, Crepipora, Nicholsonella

Geologic Range
Ordovician – Permian

Common Paleoecology
Cystoporata is an extinct order of stationary, epifaunal suspension feeders

Characteristics of the Order

  • Tubular autozooecia
  • If short, no diaphragms present
  • If long, diaphragm present
  • Laminated walls
  • Some may have communication pores
  • Some may have vesticular tissue between autozooecia
  • Almost all have lunaria
  • Almost none have acanthostyles (Except in the vesicles)

Published Descriptions

Treatise on Invertebrate Paleontology (1983):

  • Zoarial growth form variable. Autozooecia tubular; short and lacking diaphragms or long with diaphragms. Walls laminated, granular or granular-prismatic. Some (ceramoporines) with communication pores and exilazooecia in exozone. Some (fistuliporines) with extra zooidal vesticular tissue between autozooecia. Most with lunaria. Few with acanthostyles, except in vesicles.

Ceramoporella


Constellaria


Crepipora


Nicholsonella