Parent taxon: Nodosariida according to A. Missotti 2022
Sister taxon: Nodosarioidea
Subtaxa: Stilostomellidae
Ecology: stationary semi-infaunal omnivore
Distribution:
• NN21 of North Atlantic (20 collections)
• G. truncatulinoides PRSZ of North Atlantic (9)
• G. ruber PRZ of Indian Ocean (4), North Atlantic (1)
• Quaternary of Indian Ocean (19), Italy (1), North Atlantic (120), North Pacific (40), South Pacific (27)
• NN16 of Indian Ocean (8), North Pacific (1), South Pacific (5)
• Pliocene to Pleistocene of Indian Ocean (2), North Atlantic (8), South Pacific (2)
• Pliocene of Ecuador (1), Indian Ocean (16), Japan (1), North Atlantic (59), North Pacific (38), South Pacific (30)
• NN12 of Indian Ocean (1), North Pacific (2), South Pacific (11)
• Miocene to Pliocene of North Atlantic (2), North Pacific (4), South Pacific (2)
• Miocene of Austria (1), Cuba (1), Czechia (1), Ecuador (2), Indian Ocean (39), New Zealand (2), North Atlantic (78), North Pacific (166), South Pacific (56)
• Neogene of Indian Ocean (1)
• NN1 of South Pacific (2)
• Oligocene to Miocene of Indian Ocean (1), North Atlantic (18), North Pacific (18), South Pacific (2)
• Oligocene of Canada (3: British Colombia, British Columbia), Germany (2), Indian Ocean (4), North Atlantic (63), North Pacific (101), South Pacific (22)
• Eocene to Oligocene of Indian Ocean (1), North Atlantic (1), North Pacific (22), South Pacific (5)
• Eocene of Egypt (3), Indian Ocean (8), Iran (1), North Atlantic (88), North Pacific (29), South Pacific (54), Spain (3), Tonga (1), United States (1: Alaska)
• Cenozoic of Indian Ocean (1)
• Paleocene of Argentina (2), Indian Ocean (1), North Atlantic (10), Puerto Rico (1), South Pacific (2), Spain (1)
• Cretaceous of Indian Ocean (6)
Total: 1258 collections including 2156 occurrences