Bivalvia - Arcida - Cucullaeidae
Parent taxon: Cucullaea according to J. D. Stilwell 1998
Sister taxa: Arca (Cucullaea) equilateralis, Arca (Cucullaea) intermedia, Cucullaea (Cucullona), Cucullaea (Cyphoxis), Cucullaea (Idonearca), Cucullaea (Latiarca), Cucullaea adelaidensis, Cucullaea alta, Cucullaea auriculifera, Cucullaea chiemiensis, Cucullaea chilensis, Cucullaea cordiformis, Cucullaea corioensis, Cucullaea crassatina, Cucullaea eichwaldi, Cucullaea ellioti, Cucullaea equidens, Cucullaea erda, Cucullaea ewekoroensis, Cucullaea farsensis, Cucullaea freia, Cucullaea gabbi, Cucullaea gigantea, Cucullaea glabra, Cucullaea granulosa, Cucullaea haguei, Cucullaea harttii, Cucullaea increbescens, Cucullaea inermis, Cucullaea isolda, Cucullaea labiata, Cucullaea laubei, Cucullaea lirata, Cucullaea littlei, Cucullaea macerata, Cucullaea marshalli, Cucullaea mathewsonii, Cucullaea minchinhamptonensis, Cucullaea monodi, Cucullaea morani, Cucullaea multicostata, Cucullaea nipponica, Cucullaea obliqua, Cucullaea obliqua, Cucullaea pachygastris, Cucullaea pamotanensis, Cucullaea patagonensis, Cucullaea perijana, Cucullaea ponderosa, Cucullaea scrivenori, Cucullaea seisiana, Cucullaea sindangbaranensis, Cucullaea striatiumbonata, Cucullaea subglabra, Cucullaea transversa, Cucullaea transversa, Cucullaea tschapitana, Cucullaea worthingtoni, Cucullea auingeri, Cucullea polyglypha, Cucullea rugosa, Idonearca deatsvillensis, Idonearca kingsensis, Idonearca murrayi, Idonearca powersi
Subtaxa: Cucullaea (Cucullastis) barbara Cucullaea (Cucullastis) zealandica
Type: Cucullaea (Cucullastis) barbara
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Paleocene of Argentina (3 collections)
• Cretaceous of New Zealand (17)
Total: 20 collections including 21 occurrences