Trilobita - Proetida - Phillipsiidae
Alternative spelling: Cyrtosymbolidae
Parent taxon: Phillipsiidae according to M. Basse and U. Lemke 2020
See also Campbell and Engel 1963, Chernyheva 1960, Gandl et al. 2015 and Lerosey-Aubril and Feist 2005
Sister taxa: Ameropiltonia, Archegoninae, Bollandiinae, Breviphillipsia, Cummingellinae, Cystispininae, Ditomopyginae, Exochops, Griffithidella, Griffithidinae, Hesslerides, Kollarcephalus, Linguaphillipsia, Linguaphillipsiinae, Lugalella, Malchi, Nunnaspis, Osmolskia, Paladin, Phillipsia, Piltonia, Rhenogriffides, Spergenaspis, Thaiaspidinae, Thigriffides, Weaniinae, Weberides
Subtaxa: Balvibole Calybole Chaunoproetus Chlupacula Cyrtosymbole Cyrtosymbolina Dushania Elliptophillipsia Franconicabole Haasproetus Helioproetus Langgonbole Osmolskabole Parachaunoproetus Parangustibole Semiproetus Sinosymbole Skemmatocare Skemmatopyge Typhloproetus Vittaella Waribole Weyeraspis Yishanaspis
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Carboniferous of Austria (8 collections), China (11), the Czech Republic (2), France (1), Germany (13), Ireland (2), Japan (1), Poland (4), Spain (5), the United Kingdom (2), United States (3: California, Missouri)
• Devonian of Australia (1), Austria (12), China (15), the Czech Republic (2), France (1), Germany (26), Iran (2), Malaysia (1), Morocco (4), Poland (5)
Total: 121 collections including 240 occurrences