Gymnolaemata - Cheilostomata - Phylactellidae
Parent taxon: Ascophora according to R. S. Bassler 1953
See also Canu and Bassler 1935, Cheetham 1962 and Pouyet 2000
Sister taxa: Acanthostega, Basyaylella, Bifaxariidae, Catenicelloidea, Celleporariidae, Cleidochasmatidae, Conescharellinidae, Crepidacanthidae, Euthyrisellidae, Euthyroididae, Fusicellariidae, Hippoporinidae, Hippothooidea, Hippothoomorpha, Lekythoporidae, Lepraliomorpha, Mucronellidae, Myriozoidae, Nephroporidae, Onchoporidae, Parmulariidae, Petraliidae, Phylactelliporidae, Platyglenidae, Prostomariidae, Reteporidae, Sertellidae, Spiroporinidae, Stomachetosellidae, Tetraplariidae, Tubucellariidae
Subtaxa: Hemiphylactella Hippophylactella Nimba Nimbella Psilopsella Teuchopora Tremachia
Type: Phylactella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Pliocene of Antarctica (1 collection), Spain (1)
• Miocene of Spain (2)
• Eocene of New Zealand (1)
Total: 5 collections each including a single occurrence