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
Distribution:
• Quaternary of Canada (1: Ontario collection), Italy (3)
• Pliocene to Pleistocene of Italy (1)
• Pliocene of Italy (1)
• Miocene to Oligocene of Canada (1: Nova Scotia)
• Miocene of Austria (1), Cuba (1), Germany (18), New Zealand (2), United States (1: California)
• Oligocene of Canada (1: Nova Scotia), Germany (1), Pakistan (1), Taiwan (8), United States (3: California, Louisiana)
• Eocene of Egypt (3), 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), 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: 224 collections including 327 occurrences