Protozoa - Nassellaria - Pterocorythidae
Parent taxon: Acanthodesmiacea according to P. De Wever et al. 2001
See also Sharma and Takahashi 2007
Sister taxa: Acanthodesmiidae, Artostrobiidae, Bulbocyrtiidae, Cannobotryidae, Carpocaniidae, Cuniculiformidae, Monicastericidae, Paratympanidae, Planispinocyrtiidae, Rotaformidae, Sethophormididae, Spongolophophenidae, Spongosilicarmigeridae, Stephaniidae, Theopiliidae, Triospyrididae
Subtaxa: Albatrossidium Androcyclas Anthocyrtidium Calocycletta Cryptocarpium Lamaprocyrtis Lamprocyclas Lamprocyrtis Podocyrtis Pterocorys Theocorythium Theocyrtis
Ecology: passively mobile planktonic omnivore
Distribution:
• Quaternary of Japan (8 collections)
• Pliocene of Ecuador (2)
• Miocene of Ecuador (2)
• Oligocene of New Zealand (4)
• Eocene of Cyprus (6), Peru (1)
• Paleocene of Cyprus (1), New Zealand (18)
• Cretaceous of Austria (3), New Zealand (7)
• Jurassic to Cretaceous of Austria (1)
• Jurassic of Austria (12)
Total: 65 collections including 94 occurrences