Gastropoda - Lepetellida - Fissurellidae
Parent taxon: Emarginulinae according to P. Bouchet et al. 2005
Sister taxa: Agariste, Clypidina, Emarginulina, Emersonia, Entomella, Fissurellideini, Loxotoma, Notomella, Retshitsella, Rimularia, Rimulopsis, Scelidotoma, Scutini, Tugali
Subtaxa: Emarginula Rimula
Type: Emarginula
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Quaternary of Greece (1 collection), Italy (2), Japan (1), the Marshall Islands (3), Morocco (1), Panama (1), Spain (2), Tuvalu (1), United States (2: Florida), Vanuatu (2)
• Pliocene of Australia (1), the Dominican Republic (1), Fiji (1), Jamaica (4), the Marshall Islands (1), Pakistan (1), Spain (7), the United Kingdom (3), Venezuela (3)
• Miocene of Australia (2), Austria (1), Cyprus (1), France (1), Germany (1), Italy (1), the Marshall Islands (1), New Zealand (2), the Philippines (1), Poland (2), United States (1: Florida)
• Oligocene of Austria (1), Denmark (2), France (2), Italy (1)
• Eocene of Australia (2), 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 (6), Germany (1), Poland (3), Switzerland (5), the United Kingdom (2), United States (2: California, Delaware)
• Jurassic of France (1), Germany (2), Hungary (6), Italy (2), Poland (2), Türkiye (3)
• Triassic of Hungary (1), Italy (5)
Total: 142 collections including 198 occurrences