Trilobita - Proetida - Proetidae
Parent taxon: Proetida according to R. A. Fortey and D. L. Bruton 2013
See also Chatterton and Perry 1977, Harrington and Leanza 1957, Naylor 1979, Owens 2003, Owens 2004 and Sepkoski 1998
Sister taxa: Aceroproetus, Acetopeltis, Appendicysta, Aprathia, Ascopeltis, Aulacopleuridae, Aulacopleuroidea, Bailielloides, Bapingaspis, Bathyuridae, Bitumulina, Bolivicrania, Boliviproetus, Borealia, Calybole, Cammingella, Camsellia, Ceratoproetus, Chauffouraspis, Clavibole, Coignops, Constantina, Daihuaia, Dechenellurus, Devonocoryphe, Devonoproetus, Dimeropygidae, Dohmiella, Dudu, Eocyrtosymbole, Eoproetus, Erbenicoryphe, Eudechenella, Evagena, Formonia, Frithjofia, Ganinella, Gapeevella, Gitarra, Gonioteloides, Gracemerea, Hanjiangaspis, Helioproetoides, Hexianella, Holotrachelidae, Huanoproetus, Humeia, Humilogriffithides, Hypaproetus, Karginella, Kegeliella, Khalfinella, Kinderlania, Kolymoproetus, Kulmiella, Langgonbole, Linguaproetus, Lophiokephalion, Mahaiella, Merebolina, Monodechella, Moravocoryphe, Niachangella, Oehlertia, Oidalaproetus, Pachyproetus, Palaeophillipsia, Panarchaegonus, Parachaunoproetus, Paradechenella, Parafrithjofia, Paragriffithides, Parapalebralia, Parawarburgella, Particeps, Paryfenus, Perakaspis, Perliproetus, Phaselops, Phyllaspis, Platyantyx, Pontipalpebralia, Prodiacoryphe, Proetocephalus, Proetoidea, Proscharyia, Pseudogerastos, Pterocoryphe, Pulcherproetus, Pusillaboles, Quyuania, Radonia, Richteraspis, Scharyiidae, Schizophillipsia, Sinobole, Skemmatocare, Sperginaspis, Tayanaella, Tcherkesovia, Tekinia, Telephinidae, Thalabaria, Tropidocoryphidae, Tschernyschewiella, Vandergrachtia, Vitaella, Wagnerispina, Waideggula, Weberiphillipsia, Xenoboloides, Xenodechenella, Xiangzhongella, Yanshanaspis, Yichangaspis, Zhegangula
Subtaxa: Aayemenaytcheia Ameropiltonia Analocaspis Archegonus Australokaskia Basidechenella Belgibole Benesovella Bohemiproetus Bollandia Breviphillipsia Carbonocoryphe Carbonoproetus Chaunoproetus Chlupacula Chuanqianoproetus Comptonaspis Conophillipsia Cornuproetinae Crassiproetus Cyphinioides Cyrtodechenella Cyrtoproetus Cyrtosymbolinae Cystispina Dechenella Deltadechenella Diacoryphe Drevermannia Drevermanniinae Elimaproetus Elliptophillipsia Engelomorrisia Eocyphinium Erbenaspis Erbenites Eremiproetinae Exochops Falcatoproetus Fuscinipyge Georhithronella Gerastos Globusia Griffithidella Hamiroproetus Hassiabole Hedstroemia Helioproetus Helokybe Hesslerides Hunanoproetus Kaskia Keidelia Kollarcephalus Lacunoporaspis Latiglobusia Latiproetus Linguaphillipsia Liobole Liobolina Longiproetus Lugalella Luojiashania Mannopyge Menorcaspis Microspatulina Mirabole Monodechenella Moschoglossis Myoproetus Nitidocare Nunnaspis Orbitoproetus Ormistoniella Osmolskia Paladin Palpebralina Panibole Paraglobusia Parvidumus Pedinocoryphe Pedinodechenella Perexigupyge Phaseolops Phillibole Phillibolina Philliboloides Phillipsia Piltonia Plesiowensus Podoliproetus Praedechenella Pragoproetus Prantlia Proetidellinae Proetinae Proetus Pseudodechenella Pseudodudu Pseudoproetus Pseudospatulina Pseudowaribole Pudoproetus Reediella Rhenocynproetus Rhenogriffides Richterella Ryckholtia Schaderthalaspis Schizoproetina Schizoproetoides Schizoproetus Semiproetus Sevillia Silesiops Simaproetus Skemmatopyge Spatulata Spinibole Spinibolops Tawstockia Tetinia Thebanaspis Thigriffides Triproetus Tropidocare Tropidocoryphinae Typhloproetus Unguliproetus Warburgellinae Waribole Weberides Weyeraspis Winiskia Winterbergia Witryides Xenadoche Xenocybe Yuanjia
Ecology: fast-moving low-level epifaunal deposit feeder