Protozoa - Nassellaria - Artostrobiidae
Parent taxon: Acanthodesmiacea according to P. De Wever et al. 2001
Sister taxa: Acanthodesmiidae, Bulbocyrtiidae, Cannobotryidae, Carpocaniidae, Cuniculiformidae, Monicastericidae, Paratympanidae, Planispinocyrtiidae, Pterocorythidae, Rotaformidae, Sethophormididae, Spongolophophenidae, Spongosilicarmigeridae, Stephaniidae, Theopiliidae, Triospyrididae
Subtaxa: Artostobium Dictyoprora Eribotrys Phormostichoartus Pseudotheocampe Siphocampe Siphostichartus Spirocyrtis Theocampe Theocamptra
Ecology: passively mobile planktonic omnivore
Distribution:
• Quaternary of Japan (8 collections)
• Miocene of Ecuador (1), Japan (1)
• Oligocene of New Zealand (4)
• Eocene of Cyprus (6), Peru (1)
• Paleocene of New Zealand (46)
• Cretaceous of Antarctica (1), Costa Rica (1), Germany (1), India (1), Italy (3), Japan (15), New Zealand (13), North Pacific (1), the Russian Federation (2), Turkey (1)
Total: 106 collections including 260 occurrences