Polycystinea - Nassellaria - Ultranaporidae
Parent taxon: Nassellaria according to D. M. Hull 1997
Sister taxa: Abnormisphaera, Acanthodesmiacea, Acerahedrina, Acerocanium, Acidnomelos, Acotripus, Acropyramididae, Adelocyrtis, Afens, Amphipyndacea, Anisicyrtiidae, Anthocyrtoma, Archaeodictyomitracea, Archaeosemantidae, Archeeucyrtis, Archicorys, Archocyrtiidae, Ares, Artoperina, Artostrobium, Ayrtonius, Barbutidae, Bathrocalpis, Belleza, Botryocella, Calyptocoryphe, Canelonus, Canesium, Carterwhalenia, Cephalopyramis, Cladospyris, Clathrospyris, Collicyrtidium, Confiroma, Corocalyptra, Cortiniscus, Crubidae, Cryptocapsa, Cryptopora, Cuniculiformiidae, Cyrtocalpis, Cyrtoidea, Deflandrecyrtiidae, Dendrocircus, Diacanthocapsidae, Dictyospyris, Dipodospyris, Distylocapsa, Eucyrtidiacea, Eucyrtidiellidae, Ewingella, Farcidae, Favosyringium, Foremanellinidae, Foremania, Foremaniella, Globolaxtorum, Glycobotrys, Haliphormis, Heloringulum, Hexapylocapsidae, Hilarisiregidae, Homeoarchicorys, Hsuuidae, Japonocampe, Kassina, Krempelinella, Kuppelella, Laxuscingula, Lithobotrys, Lithocampana, Lithocarpium, Lithomitra, Lithornithium, Livarellidae, Lophoconus, Lophocorys, Lophophaenidae, Lychnodictyum, Minutusolla, Monosera, Morosyringium, Mostlericyrtium, Muellericyrtiidae, Nabolellidae, Nabollellidae, Nebespecha, Neosciadiocapsidae, Octotympanum, Perseus, Phaenocalpis, Phaenoscenium, Phormocampe, Plagiacanthidae, Plagionium, Plagoniidae, Platycryphalus, Plectopyramis, Podocoronis, Popofskyellidae, Poulpidae, Pseudosaturniformidae, Quarkus, Quasipetosus, Religa, Ruesticyrtiidae, Salpingocapsa, Sanfilippoellidae, Schadelfussdlerus, Senelella, Sethocapsidae, Sethocyrtis, Sethodiscus, Sethoperidae, Sethopilium, Siphocampium, Solidea, Sphaerospyris, Spinomersinellidae, Spirocampe, Spongomelissa, Spyrida, Stampfliellidae, Stephaniscus, Stichocampe, Stichocapsidae, Stichophormis, Stylocryptocapsa, Syringium, Telacapsulidae, Tertoniidae, Tetrarrhabda, Tetraspinocyrtiidae, Theocapsa, Theophormis, Trexus, Triassocampidae, Triassocyrtium, Tricolocampe, Tripedurnulidae, Tripilidium, Tripocalpis, Tripocyrtis, Tripodiscium, Tripodonium, Tripodospyris, Tripophaenoscenium, Trissopilium, Urocyrtis, Williriedellidae, Windalia, Xipha, Xiphothecaellidae
Subtaxa: Anaticapitula Bipedis Dumitricaella Hinedorcus Lychnocanoma Muellericyrtium Napora Naropa Picapora Poculinapora Pterocanium Silicarmiger Trialatus
Distribution:
• NN21 of North Pacific (6 collections)
• Neodenticula seminae of North Pacific (3)
• Brunhes of North Pacific (1)
• Quaternary of Japan (7), North Pacific (300)
• Pliocene to Pleistocene of North Pacific (6)
• Pliocene of Ecuador (2), North Pacific (31), South Pacific (1)
• Miocene to Pliocene of North Pacific (1)
• Miocene of North Pacific (173)
• Oligocene to Miocene of North Pacific (38)
• Oligocene of North Pacific (81)
• Eocene of Cyprus (5), North Atlantic (15), North Pacific (121), Peru (1), South Pacific (28)
• Paleocene to Eocene of North Atlantic (2), South Pacific (1)
• Paleocene of China (1), North Atlantic (4)
• Cretaceous of Albania (1), Antarctica (1), Italy (32), Malaysia (8), Oman (6), the Philippines (1), the Russian Federation (4), Slovakia (1), Trinidad and Tobago (3), United States (9: California)
• Jurassic to Cretaceous of Austria (1)
• Jurassic of Antarctica (14), Canada (99: British Columbia), China (1), Germany (2), Greece (3), Hungary (1), India (1), Italy (18), Japan (90), Mexico (22), New Zealand (4), Oman (3), Peru (1), the Philippines (6), Romania (3), the Russian Federation (14), Slovakia (3), Slovenia (2), Spain (2), Switzerland (2), Türkiye (15), United States (51: Alaska, California, Oregon)
• Triassic of Bosnia and Herzegovina (1), Canada (36: British Columbia), China (1), Cyprus (3), Hungary (1), Italy (2), Japan (18), Oman (1), the Philippines (3), the Russian Federation (1), Slovenia (11), Thailand (1), Türkiye (48), United States (2: Alaska, Oregon)
Total: 1381 collections including 2025 occurrences