Bivalvia - Arcida - Cucullaeidae
Alternative spelling: Idonearca
Parent taxon: Cucullaea according to S. Mendir et al. 2021
See also Anderson 1958, Bouchet et al. 2010, El Qot 2006, Ros-Franch et al. 2014, Stoyanow 1949, Tashiro 1988, Tashiro and Kozai 1982 and Vokes 1980
Sister taxa: Arca (Cucullaea) equilateralis, Arca (Cucullaea) intermedia, Cucullaea (Cucullastis), Cucullaea (Cucullona), Cucullaea (Cyphoxis), 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 (Idonearca) alamoensis Cucullaea (Idonearca) buttensis Cucullaea (Idonearca) calabaza Cucullaea (Idonearca) diceras Cucullaea (Idonearca) ezoensis Cucullaea (Idonearca) gravida Cucullaea (Idonearca) grossaforma Cucullaea (Idonearca) maresi Cucullaea (Idonearca) melhaseana Cucullaea (Idonearca) muensteri Cucullaea (Idonearca) thevestensis Cucullaea (Idonearca) tippana Cucullaea (Idonearca) trigona Cucullaea (Idonearca) youngi Idonearca capax Idonearca carolinensis Idonearca deserti Idonearca littlei Idonearca orientalis Idonearca stephensoni
Type: Cucullaea (Idonearca) tippana
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Afghanistan (1 collection), Algeria (5), Angola (1), Argentina (1), Brazil (3), Canada (1: British Columbia), the Congo-Brazzaville (1), Egypt (28), France (1), Germany (3), Italy (1), Japan (14), Libya (2), Mexico (1), Peru (1), the Russian Federation (1), Trinidad and Tobago (1), United States (276: Alabama, Arizona, Arkansas, California, Delaware, Georgia, Maryland, Mississippi, Missouri, New Jersey, New Mexico, North Carolina, South Carolina, Tennessee, Texas, Wyoming)
• Jurassic of Argentina (2), Chile (5), France (1), Germany (1), India (3), Japan (2), Portugal (4), Serbia and Montenegro (1), Spain (27), the United Kingdom (2), United States (10: Montana, Utah, Wyoming)
Total: 400 collections including 417 occurrences