Cystoporida

Cystoporida, also known as Cystoporata or cystoporates, are an extinct order of Paleozoic bryozoans in the class Stenolaemata.^[1] Their fossils are found from Ordovician to Triassic strata.^[2]

Cystoporida
Sulcoretepora deissi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Bryozoa
Class:	Stenolaemata
Order:	†Cystoporida Astrova, 1964

All cystoporatan bryozoan genera (around 50 or so) have a "cystopore", a chamber-like supporting structure, separated from each other by transverse septa, situated between the characteristically elongated zooecia of each individual colony.^[3][4]

Families

• Acanthoceramoporellidae (Ordovician)
• Actinotrypidae (Carboniferous-Permian)
• Anolotichiidae (Ordovician)
• Botrylloporidae (Ordovician-Devonian)
• Ceramoporidae (Ordovician-Devonian)
• Constellariidae (Ordovician-Silurian)
• Cystodictyonidae (Devonian-Permian)
• Etherellidae (Permian)
• Evactinoporidae^[5] (Carboniferous-Permian)
• Fistuliporidae (Ordovician-Permian)
• Goniocladiidae (Devonian-Permian)
• Hexagonellidae (Ordovician-Permian)
• Revalotrypidae (Ordovician)
• Rhinoporidae (Ordovician-Devonian)
• Xenotrypidae (Ordovician-Silurian)