Holothuroidea - Apodida - Chiridotidae
Full reference: H. Ostergren. 1898. Das system der Synaptiden. Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar, Stockholm 55:11-120
Parent taxon: Apodida according to M. Reich and F. Wiese 2010
See also Frizzell and Exline 1966, Gilliland 1993, Kerr and Kim 2001, Ostergren 1898, Pawson 1966 and Rowe and Gates 1995
Sister taxa: Achistridae, Calcancoridae, Holothuriopsis, Myriotrochidae, Myriotrochus, Porachistrum, Synaptidae, Synaptitidae
Subtaxa: Theelia
Ecology: epifaunal detritivore
Distribution:
• Miocene of Chile (1 collection)
• Eocene of France (1)
• Cretaceous of Austria (1), Jordan (1), Poland (1)
• Jurassic of Austria (2), Egypt (2), France (3), Germany (1), Jordan (2), Poland (23), Switzerland (1), the United Kingdom (9)
• Triassic of Austria (9), China (1), Germany (2), Hungary (3), India (1), Italy (8), Poland (1), Serbia and Montenegro (1), Slovakia (12), Slovenia (1), Thailand (1), Turkey (5)
• Permian of Hungary (1), Iran (1), Italy (1)
• Carboniferous of United States (1: Kentucky)
Total: 97 collections including 189 occurrences