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†family Polycyrtaspididae Opik 1967 (trilobite)

Trilobita

PaleoDB taxon number: 240002

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, Kinsabia, 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, Proetida, Proparia, Pseudoacicaudus, Pseudoclelandia, Pseudocrecephalaspina, Pseudoliostracina, Pseudosalteria, 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: Hebeia

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Ecology: fast-moving low-level epifaunal carnivore