Family Cleidochasmatidae Cheetham and Sandberg 1964 (bryozoan)
Gymnolaemata - Cheilostomata - Cleidochasmatidae
Parent taxon: Mamilloporoidea according to D. P. Gordon 2012
See also Pouyet 2000 and Scolaro 1970
Sister taxa: Ascosiidae, Crepidacanthidae, Mamilloporidae, Prattia, Schizorthosecos
Subtaxa: Anchicleidochasma Calyptooecia Characodoma Cleidochasmidra Fedorella Gemelliporina Yrbozoon
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Costa Rica (3 collections), United States (2: Florida)
• Pliocene of Panama (5)
• Miocene of Panama (1)
Total: 11 collections each including a single occurrence