PaleoDB taxon number: 21062
Parent taxon: Trilobita according to J. M. Adrain 2011
Sister taxa: Abakanopleura, Acantholenus, Acrohybus, Aglagalia, Agnostida, Agraulaeva, Aguaraya, Aidarella, Aldonaiidae, Alomataspis, Altajaharpes, Amechilus, Amgaspididae, Amginouyia, Ampellatocephalina, Anacopodia, Anomocarellidae, Antagmidae, Antagmopleura, Antatlaeva, Asaphida, Atopidae, Aulacopleurida, Auritamidae, Avalonia, Avascutellum, Avoninidae, Barklyella, Bathynotellus, Bathynotidae, Beikedamaspis, Bergerolimbus, Bicornipyge, Blayacina, Bondarevites, Brevitermierella, Bridgeia, Carmon, Catadoxides, Chakasskia, Changshaniidae, Chinensis, Chondroparia, Conoides, Cornovica, Corynexochida, Costonia, Crossoura, Curiaspis, Cuyanaspis, Cyclolenzellina, Dalmanites troosti, Deltacare, Dikelocephalidae, Edganocare, Ellipsocephaloididae, Ellipsuella, Ellsaspis, Entomostracites, Entsyna, Eodiscida, Eosaukia, Erbenochile, Esseigania, Eulomella, Eutrilobita, Fabulaspis, Folliceps, Fritzaspis, Galahetes, Gentilapsis, Gigmpeltis, Gigoutella, Giordanella, Goycoia, Hamashania, Harpetida, Harpida, Harpididae, Hercantyx, Hicksia, Holocephalinidae, Howelluella, Ignotogregatidae, Indigestus, Indiligens, Ishpella, Isocolidae, Issafenia, Issafeniella, Ityophoridae, Jamrogiidae, Jonotus, Jubileia, Judaiella, Juriietella, Kamlacus, Kanfuqingia, Kerbinella, Knechtelia, Kolpura, Kujandina, Leptopilus, Levisia, Libristoma, Lichida, Liriamnica, Llanoaspididae, Lomsucaspis, Lotosoides, Loxonepea, Loxopeltis, Lusampa, Mannschreckia, Mapaniidae, Mataninella, Mecophrys, Megalaspidicus, Megalurites, Meisterella, Meneghinella, Metapopristis, Missisquoiidae, Monkaspididae, Moretarva, Namanoiidae, Naraoiida, Neomalungia, Nepeidae, Ninaspis, Norina, Odontopleurida, Ogygiocaridinae, Olenellida, Olenida, Onchonotopsidae, Opisthoparia, Ordosiidae, Orictocara, Orienturus, Otekmaspis, Otenaspella, Oxygonaspis, Paichiashania, Palaeolentus, Paleoaethia, Palmeraspis, Paraplagiura, Paraplesiograulos, Pararania, Peculicephalina, Perissopyge, Phacopida, Phylacteridae, Piliolites, Planolimbus, Pliomerellus, Poculicephalina, Polycyrtaspididae, Proparia, Pseudoacicaudus, Pseudoclelandia, Pseudocrecephalaspina, Pseudoliostracina, Pseudosalteria, Pseudosarkia, Pseudotermierella, Ptyttstrigis, Punctaspis, Redlichaspis, Redlichiida, Remopleuridacea, Repinaella, Resseria, Resseropsis, Rochaeva, Rowia, Sailycaspis, Sarkiidae, Scutelluidae, Sectigena, Selenocoryphe, Serksia, Serksioides, Sibiriopeltis, Smeathenia, Sonoraspis, Sphaerocare, Spizharaspis, Stittaspis, Sunaspididae, Tadakoustia, Taidonorus, Taplimella, Tazemmourtia, Thymurus, Tongxingaspis, Toxotis, Trapezocephalina, Trilobus, Trinia, Tuyunaspis, Ullaspis, Ulrickaspis, Utiidae, Validaspis, Volonellus, Westergardia, Whittardolithus, Winsteria, Wuaniidae, Zigzuella
Subtaxa: Aceroproetus, Acetopeltis, Appendicysta, Aprathia, Ascopeltis, 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, Gracemerea, Hanjiangaspis, Helioproetoides, Hexianella, 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, Proetidae, Proetocephalus, Proetoidea, Pseudogerastos, Pterocoryphe, Pulcherproetus, Pusillaboles, Quyuania, Radonia, Richteraspis, Schizophillipsia, Sinobole, Skemmatocare, Sperginaspis, Tayanaella, Tcherkesovia, Tekinia, Telephinidae, Thalabaria, Tropidocoryphidae, Tschernyschewiella, Vandergrachtia, Vitaella, Wagnerispina, Waideggula, Weberiphillipsia, Xenoboloides, Xenodechenella, Xiangzhongella, Yanshanaspis, Yichangaspis, Zhegangula
Ecology: fast-moving low-level epifaunal deposit feeder