Presbynileus Hintze 1954 (trilobite)

Trilobita - Asaphida - Asaphidae

Synonym: Paranileus Hintze 1952 [replaced name]

Parent taxon: Asaphidae according to P. A. Jell and J. M. Adrain 2002

See also Fortey 1975, Hintze 1954 and Sepkoski 2002

Sister taxa: Anataphrus, Araiocaris, Asaphellus, Asaphinae, Atopasaphus, Aulacoparia, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Brachyaspis, Branisaspis, Burminresia, Emanuelaspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes, Griphasaphus, Guohongjunia, Hemigyraspis, Homotelus, Hunnebergia, Isabelinia, Isotelinae, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Liomegalaspides, Lisogorites, Megalaspidella, Merlinia, Metaptychopyge, Mioptychopyge, Nahannia, Nerudaspis, Nileoides, Ningkianites, Niobella, Niobides, Niobina, Niobinae, Nobiliasaphus, Norinia, Ogmasaphus, Ogygiinae, Ogyginus, Ogygiocarella, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Priceaspis, Promegalaspidinae, Proscharyia, Protopresbynileus, Protoptychopyge, Pseudasaphus, Pseudoasaphus, Pseudogriphasaphus, Pseudogygites, Psilocephalina, Ptychopyge, Ptychopyginae, Ptyocephalus, Sanbernardaspis, Schizophorus, Stegnopsis, Stenorhachis, Suriaspis, Thysanopyge, Trigonocerca, Trigonocercella, Vogdesia, Xenostegium, Zhenganites, Zuninaspis

Subtaxa: Presbynileus (Presbynileus) Presbynileus elongatus Presbynileus ibexensis Presbynileus utahensis

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Type: Paranileus ibexensis

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of Canada (23: Alberta, British Columbia collections), United States (31: Montana, Nevada, Utah)

• Whiterockian of United States (1: Nevada)

• Arenig of Australia (4)

• Arenigian of United States (4: Utah)

Total: 63 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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