Gymnolaemata - Cheilostomata - Crepidacanthidae
Parent taxon: Ascophora according to R. S. Bassler 1953
See also Brown 1952
Sister taxa: Acanthostega, Basyaylella, Bifaxariidae, Catenicelloidea, Celleporariidae, Cleidochasmatidae, Conescharellinidae, Euthyrisellidae, Euthyroididae, Fusicellariidae, Hippoporinidae, Hippothooidea, Hippothoomorpha, Lekythoporidae, Lepraliomorpha, Mucronellidae, Myriozoidae, Nephroporidae, Onchoporidae, Parmulariidae, Petraliidae, Phylactellidae, Phylactelliporidae, Platyglenidae, Prostomariidae, Reteporidae, Sertellidae, Spiroporinidae, Stomachetosellidae, Tetraplariidae, Tubucellariidae
Subtaxa: Crepidacantha Pachycraspedon
Type: Crepidacantha
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of New Zealand (1 collection), United States (4: Florida)
• Pliocene of New Zealand (4), Portugal (1)
• Miocene of New Zealand (1)
Total: 11 collections including 14 occurrences