Gastropoda - Lepetellida - Fissurellidae
Alternative spelling: Emarginulidae
Synonym: Hemitominae Kuroda et al. 1971
Parent taxon: Fissurellidae according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Harzhauser and Mandic 2001, Knight et al. 1960, Lozouet et al. 2001, Martin 1904, Pacaud and Le Renard 1995, Perrilliat 1972, Squires 1987, Squires and Goedert 1995 and Wilson 1993
Sister taxa: Altrix, Austriacopsis, Fissurellinae, Hemitoma, Leurolepas, Lucapina, Lucapinella, Nesta, Parmophorus, Puncturella, Subemarginula, Zeidora
Subtaxa: Agariste Clypidina Emarginulina Emarginulini Emersonia Entomella Fissurellideini Loxotoma Notomella Retshitsella Rimularia Rimulopsis Scelidotoma Scutini Tugali
Type: Emarginulina
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Quaternary of Australia (2 collections), Greece (1), Italy (2), Japan (1), the Marshall Islands (3), Mexico (4), Morocco (1), Panama (1), the Seychelles (1), South Africa (1), Spain (2), Tuvalu (1), United States (18: California, Florida), Vanuatu (2)
• Pliocene to Pleistocene of United States (1: California)
• Pliocene of Australia (1), the Dominican Republic (1), Fiji (1), Indonesia (2), Jamaica (4), the Marshall Islands (1), New Zealand (3), Pakistan (1), South Africa (2), Spain (7), the United Kingdom (3), Venezuela (3)
• Miocene of Argentina (1), Australia (3), Austria (2), Cyprus (1), France (1), Germany (1), Italy (1), the Marshall Islands (3), New Zealand (3), the Philippines (1), Poland (2), United States (3: California, Florida)
• Oligocene of Austria (1), Denmark (2), France (2), Italy (1)
• Eocene of Australia (5), France (10), New Zealand (2), United States (12: Alabama, North Carolina, Texas, Washington)
• Paleocene of Australia (1), Austria (1), Belgium (2), Denmark (2), France (1), Germany (2), Greenland (3), Poland (3), Puerto Rico (1)
• Cretaceous of Cameroon (1), France (8), Germany (1), Poland (4), Switzerland (5), the United Kingdom (2), United States (3: Alabama, Delaware)
• Jurassic of France (2), Germany (3), Hungary (6), India (1), Italy (2), Poland (1), Turkey (4)
• Triassic of Hungary (1), Italy (5)
• Carboniferous of the Russian Federation (1)
Total: 193 collections including 258 occurrences