Protozoa - Nassellaria - Xiphothecaellidae
Parent taxon: Nassellaria according to H.W. Kozur and H. Mostler 1981
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, Ultranaporidae, Urocyrtis, Williriedellidae, Windalia, Xipha
Subtaxa: Xiphothecaella
Ecology: passively mobile planktonic omnivore
Distribution:
• Triassic of Canada (2: British Columbia collections), Croatia (1), Cyprus (6), Japan (3), Oman (3), the Philippines (1), the Russian Federation (1), Turkey (29), United States (1: Oregon)
Total: 47 collections including 74 occurrences