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Stenorhachis Hintze and Jaanusson 1956 (trilobite)

Trilobita - Asaphida - Asaphidae

PaleoDB taxon number: 20978

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 2003

Sister taxa: Anataphrus, Araiocaris, Asaphellus, Asaphinae, Atopasaphus, Aulacoparia, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Brachyaspis, Branisaspis, Burminresia, Ekeraspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes, Gog, Griphasaphus, Guohongjunia, Hemigyraspis, Homotelus, Hunnebergia, Isabelinia, Isotelinae, Isoteloides, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Lapidaria, Liomegalaspides, Lisogorites, Megalaspidella, Megalaspides, Megistaspis, Merlinia, Nahannia, Nerudaspis, Nileoides, Niobe, Niobella, Niobides, Niobina, Niobinae, Nobiliasaphus, Norinia, Ogmasaphus, Ogygiinae, Ogyginus, Ogygiocarella, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Presbynileus, Promegalaspides, Protopresbynileus, Pseudasaphus, Pseudoasaphus, Pseudobasilicus, Pseudogriphasaphus, Pseudogygites, Pseudomegalaspis, Psilocephalina, Ptychopyge, Ptychopyginae, Ptyocephalus, Sanbernardaspis, Schizophorus, Stegnopsis, Suriaspis, Thysanopyge, Trigonocerca, Trigonocercella, Vogdesia, Xenostegium, Zhenganites, Zuninaspis

Subtaxa: Stenorhachis genalticurvatus

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Type: Isoteloides genalticurvatus

Ecology: fast-moving low-level epifaunal deposit feeder