Trilobita - Asaphida - Asaphidae
Full reference: L. F. Hintze and V. Jaanusson. 1956. Three new genera of asaphid trilobites from the Lower Ordovician of Utah. Bulletin of the Geological Institution of the University of Upsala 36:51-57
Parent taxon: Asaphidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Anataphrus, Asaphellus, Asaphinae, Atopasaphus, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Borogothus, Brachyaspis, Branisaspis, Burminresia, Ectenaspis, Emanuelaspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes, Gogiura, Griphasaphus, Guohongjunia, Homalopyge, Hunnebergia, Isabelinia, Isotelinae, Isyrakopeltis, Kainisiliellina, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Lisogorites, Lycophron, Metaptychopyge, Metayuepingia, Nahannia, Neopeltis, Nerudaspis, Nileoides, Ningkianites, Niobides, Niobina, Niobinae, Nobiliasaphinae, Nobiliasaphus, Norasaphus, Norinia, Ogmasaphus, Ogygiinae, Ogyginus, Ogygiocaridinae, Ogygiocarinae, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Popovkiaspis, Presbynileus, Priceaspis, Proasaphus, Promegalaspidinae, Proscharyia, Protopresbynileus, Protoptychopyge, Pseudasaphus, Pseudoasaphus, Pseudogriphasaphus, Pseudogygites, Pseudoptyocephalus, Psilocephalina, Ptychopyge, Ptychopyginae, Ptyocephalus, Sanbernardaspis, Stegnopsis, Stenorhachis, Suriaspis, Tchukeraspis, Thysanopyge, Trigonocerca, Trigonocercella, Valdaites, Vogdesia, Xenasaphus, Xenostegium, Zhenganites, Zuninaspis
Subtaxa: Aulacoparia (Aulacoparia) Aulacoparia (Aulacoparina)
Type: Asaphellus venta
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenig of United States (1: North Dakota collection)
• Ordovician of United States (40: Idaho, Montana, Nevada, New Mexico, Utah)
• Tremadoc of Canada (14: Alberta)
Total: 55 collections including 59 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.