Alternative spelling: Marginulina
Parent taxon: Cristellaria according to Stache 1864
See also Al Menoufy and Shreif 2021, Cushman 1927, Sepkoski 2002 and Wienrich 1997
Sister taxa: Cristellaria (Astacolus), Cristellaria (Hemicristellaria), Cristellaria (Lenticulina), Cristellaria kemperi, Cristellaria rotulata, Cristellaria saundersi, Cristellaria subalata, Cristellaria vacavillensis
Subtaxa: Marginulina acosta Marginulina adunca Marginulina alazanensis Marginulina costatus Marginulina cushmani Marginulina eximia Marginulina glabra Marginulina hochstetteri Marginulina inconspicua Marginulina infracompressa Marginulina munda Marginulina subbullata
Ecology: stationary semi-infaunal omnivore
Distribution:
• Quaternary of Canada (1: Ontario collection), Indian Ocean (19), Italy (3), North Atlantic (4), North Pacific (2), South Pacific (1)
• NN16 of Indian Ocean (5)
• Pliocene to Pleistocene of Italy (1), North Pacific (1)
• Pliocene of Indian Ocean (4), Italy (1), North Atlantic (1), North Pacific (5)
• NN12 of Indian Ocean (1)
• Miocene of Austria (1), Cuba (1), Germany (18), Indian Ocean (4), New Zealand (2), North Atlantic (1), North Pacific (15), United States (1: California)
• Oligocene to Miocene of North Atlantic (1)
• Oligocene of Germany (1), North Atlantic (1), Pakistan (1), Taiwan (8), United States (3: California, Louisiana)
• Eocene of Egypt (3), Indian Ocean (1), Iran (1), Spain (2), Taiwan (4), Tonga (1), the United Kingdom (1), United States (11: California, Louisiana, Oregon, Washington)
• Paleocene of Denmark (1), Slovakia (1), Spain (1), United States (1: Missouri)
• Cretaceous of Chile (5), France (3), Germany (6), Indian Ocean (3), New Zealand (2), Peru (1), Poland (1), Romania (1), the Russian Federation (28), South Africa (3), Tanzania (3), Tunisia (4), the United Kingdom (2), United States (1: California)
• Jurassic of Austria (2), Egypt (3), France (2), Germany (16), Poland (5), the Russian Federation (4), Spain (54), Switzerland (4)
• Triassic of the United Kingdom (1), United States (2: Nevada)
Total: 291 collections including 394 occurrences