†Cyathophylliopsis Beauvais 1970 (stony coral)
Anthozoa - Scleractinia - Montlivaltiidae
PaleoDB taxon number: 6307
Parent taxon: Montlivaltiidae according to S. M. Morsch 1996
Sister taxa: Brevimaeandra, Ceratothecia, Clausastrea, Coenotheca, Complexastraeopsis, Complexastrea, Confusastrea, Cyathophyllia, Dimorphocoenia, Elasmophyllia, Goldfussastraea, Goldfussastrea, Isastrea, Mapucheastrea, Margarastreopsis, Montlivaltiinae, Nerthastraea, Neuquinosmilia, Paraclausastraea, Paraphyllogyra, Peplosmilia, Placosmilia, Placosmiliinae, Puschastraea, Rhabdophyllia, Thecomeandra, Thecosmilia, Trochophyllia, Trochosmilia
Subtaxa: Cyathophylliopsis canadiensis, Cyathophylliopsis delabechei
Type: Montlivaltia delabechei
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder