Asaphellus Callaway 1877 (trilobite)

Trilobita - Asaphida - Asaphidae

Synonyms: Asaphoon Hutchison and Ingham 1967, Plesiomegalaspis Thoral 1946

Parent taxon: Asaphidae according to R. A. Robison and J. Pantoja-Alor 1968

See also Harrington and Leanza 1957, Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Anataphrus, Araiocaris, Asaphinae, Atopasaphus, Aulacoparia, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Brachyaspis, Branisaspis, Burminresia, Ectenaspis, Emanuelaspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes, Griphasaphus, Guohongjunia, Hemigyraspis, Homotelus, Hunnebergia, Isabelinia, Isotelinae, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Liomegalaspides, Lisogorites, Lycophron, Megalaspidella, Merlinia, Metaptychopyge, Mioptychopyge, Nahannia, Nerudaspis, Nileoides, Ningkianites, Niobella, Niobides, Niobina, Niobinae, Nobiliasaphus, Norasaphus, Norinia, Ogmasaphus, Ogygiinae, Ogyginus, Ogygiocarella, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Presbynileus, 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: Asaphellus artus Asaphellus aspinus Asaphellus catamarcensis Asaphellus communis Asaphellus homfrayi Asaphellus jujuanus Asaphellus riojanus Plesiomegalaspis (Ekeraspis)

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Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of Argentina (94 collections), Australia (8), Bolivia (4), China (43), the Czech Republic (1), France (1), Iran (10), Mexico (19), Morocco (8), Norway (1), Portugal (1), Spain (8), the United Kingdom (3), United States (23: Idaho, Montana, Nevada, Texas, Utah)

• Arenig of China (4), France (2), Morocco (2), the United Kingdom (2)

• Dawan of China (1)

• Klabava of the Czech Republic (1)

• Cambrian of Argentina (5), Australia (1)

Total: 242 collections including 251 occurrences

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Specimen images are retrieved through the ePANDDA API.


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