†order Harpetida Whittington 1959 (trilobite)

Trilobita - Harpetida

Synonym: Harpina

Parent taxon: Trilobita according to K. J. McNamara et al. 2009

See also Ebach and McNamara 2002, Harrington and Leanza 1957 and Sepkoski 1998

Sister taxa: Abakanopleura, Acanthocephalus, Acantholenus, Acastoidea, Acrohybus, Adelogonus, Aglagalia, Agnostida, Agraulaeva, Aguaraya, Aidarella, Alomataspis, Altajaharpes, Altiplanelaspis, Amechilus, Amginouyia, Ampellatocephalina, Anacopodia, Antagmopleura, Antatlaeva, Atratebia, Aulacopleurida, Avalonia, Avascutellum, Barklyella, Bathynotellus, Bathynotidae, Beikedamaspis, Bergerolimbus, Bicornipyge, Blayacina, Bondarevites, Brevitermierella, Bridgeia, Cambrunicornia, Carmon, Catadoxides, Chakasskia, Chinensis, Chondroparia, Conoides, Cornovica, Corynexochida, Costonia, Crossoura, Crucicephalus, Curiaspis, Cuyanaspis, Cyclolenzellina, Dalmanites troosti, Deltacare, Edganocare, Ellipsuella, Ellsaspis, Entomostracites, Entsyna, Eosaukia, Esseigania, Eulomella, Eutrilobita, Fabulaspis, Folliceps, Fritzaspis, Galahetes, Gelasene, Gentilapsis, Gigmpeltis, Gigoutella, Giordanella, Gogoella, Goycoia, Hamashania, Hapalopleuridae, Hercantyx, Hicksia, Howelluella, Indigestus, Indiligens, Ishpella, Issafenia, Issafeniella, Iveria, Iwayaspis, Jonotus, Jubileia, Judaiella, Juriietella, Kamlacus, Kanfuqingia, Kazellina, Keeleaspis, Kerbinella, Kinsabia, Knechtelia, Kolpura, Kujandina, Latilorenzella, Latoucheia, Leptopilus, Levisia, Libristoma, Lichida, Liriamnica, Lomsucaspis, Lotosoides, Loxonepea, Loxopeltis, Lusampa, Mannschreckia, Mataninella, Mecophrys, Megalaspidicus, Megalurites, Meisterella, Meneghinella, Metapopristis, Microdiscus, Missisquoiidae, Moretarva, Namanoiidae, Naraoiida, Nehanniaspis, Nelsonia, Neomalungia, Ninaspis, Norina, Odontopleurida, Ogygiocaridinae, Olenellida, Opisthoparia, Ordosiidae, Orictocara, Orienturus, Otekmaspis, Otenaspella, Ourikaia, Oxygonaspis, Paichiashania, Palaeolentus, Palmeraspis, Paraplagiura, Paraplesiograulos, Pararania, Peculicephalina, Perissopyge, Phacopida, Piliolites, Planolimbus, Pliomerellus, Poculicephalina, Polycyrtaspididae, Priceaspis, Proetida, Proparia, Pseudoacicaudus, Pseudoclelandia, Pseudocrecephalaspina, Pseudoliostracina, Pseudosalteria, Pseudotermierella, Ptychopariida, Ptyttstrigis, Punctaspis, Pyraustocranium, Redlichaspis, Redlichiida, Remopleuridacea, Resseria, Resseropsis, Rochaeva, Rowia, Sailycaspis, Sarkiidae, Scutelluidae, Sectigena, Sekwiaspis, Selenocoryphe, Serksia, Serksioides, Sibiriopeltis, Smeathenia, Sphaerocare, Spizharaspis, Stittaspis, Sunaspididae, Synhomalonotus, Tadakoustia, Taidonorus, Taplimella, Tazemmourtia, Thymurus, Tongxingaspis, Toxotis, Trapezocephalina, Trilobus, Trinia, Tuyunaspis, Ullaspis, Ulrickaspis, Validaspis, Variopelta, Volonellus, Whittardolithus, Winsteria, Zigzuella

Subtaxa: Entomaspididae Harpetidae Harpididae

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Daleje of the Czech Republic (1 collection)

• Devonian of Algeria (1), Australia (2), Belgium (1), Brazil (1), Canada (7: Northwest Territories, Nunavut), the Czech Republic (32), France (1), Germany (3), Italy (3), Kazakhstan (1), Morocco (10), the Russian Federation (7), Thailand (1), Uzbekistan (2)

• Silurian of Australia (2), Canada (3: Northwest Territories, Quebec, Yukon Territory), China (2), the Czech Republic (21), Greenland (6), the United Kingdom (10), United States (4: Alaska, Wisconsin)

• Ordovician of Antarctica (1), Argentina (4), Australia (3), Canada (41: Alberta, British Columbia, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Quebec, Québec), China (12), the Czech Republic (5), Estonia (2), France (3), Iran (1), Ireland (1), Italy (1), Kazakhstan (1), Morocco (1), Norway (11), Portugal (3), the Russian Federation (18), Sweden (13), the United Kingdom (11), United States (22: Alaska, Idaho, Illinois, Iowa/Wisconsin, Kentucky, Maine, Minnesota, Missouri, Nevada, Oklahoma, Tennessee, Virginia)

• Chazy of United States (18: New York)

• Whiterockian of Canada (16: Newfoundland and Labrador, Quebec), Norway (1), United States (19: Nevada, New York, Oklahoma, Vermont)

• Arenig of Argentina (2), Canada (1: Newfoundland and Labrador), China (3), Sweden (2)

• Cambrian of Canada (17: Alberta, Newfoundland and Labrador, Yukon), China (20), Kazakhstan (22), United States (9: Missouri, Nevada, New York, Utah, Vermont, Wisconsin, Wyoming)

Total: 405 collections including 450 occurrences

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