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Megistaspis

Taxonomy

Megistaspis was named by Jaanusson (1956) [Sepkoski's age data: O Trem-u O Llvi replacement name for Megalaspis ].

It was assigned to Asaphida by Sepkoski (2002); and to Asaphidae by Jell and Adrain (2003).

Species

Megalaspis pugiocauda, Megalaspis saltaensis

Sister genera

Anataphrus, Araiocaris, Asaphellus (syn. Asaphoon, Plesiomegalaspis), Asaphus, Aulacoparia, Australopyge, Basilicus (syn. Mekynophrys, Parabasilicus), Bellefontia, Birmanites (syn. Opsimasaphus), Bohemopyge, Brachyaspis, Branisaspis, Ekeraspis, Eoisotelus, Fuyunia, Gerasaphes, Griphasaphus, Guohongjunia, Hemigyraspis, Homotelus, Hunnebergia, Isabelinia, Isoteloides, Isotelus, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Lapidaria, Liomegalaspides, Lisogorites (syn. Tangyaia), Megalaspidella, Megalaspides, Merlinia, Nahannia, Nerudaspis, Nileoides, Niobe, Niobella, Niobides, Niobina, Nobiliasaphus, Norinia, Ogmasaphus, Ogyginus, Ogygiocarella, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Presbynileus (syn. Paranileus), Promegalaspides, Protopresbynileus (syn. Pseudonileus), Pseudoasaphus, Pseudobasilicus, Pseudogriphasaphus, Pseudogygites, Pseudomegalaspis, Psilocephalina, Ptychopyge, Ptyocephalus, Sanbernardaspis, Schizophorus, Stegnopsis, Stenorhachis, Suriaspis, Thysanopyge, Trigonocerca, Trigonocercella, Vogdesia, Xenostegium, Zhenganites (syn. Eosoptychopyge), Zuninaspis

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Synonyms

Megalaspis was named by Angelin (1851) [Sepkoski's age data: Cm Fran-u Cm Trep-u Sepkoski's reference number: 81]. It is not extant.

It was replaced with Megistaspis by Harrington et al. (1959) and Jell and Adrain (2003).

It was assigned to Ogygiinae by Harrington and Leanza (1957); and to Asaphida by Sepkoski (2002).

Synonymy list

Year	Name and author
1851	Megalaspis Angelin
1956	Megistaspis Jaanusson
1957	Megalaspis Harrington and Leanza
2002	Megalaspis Sepkoski, Jr.
2002	Megistaspis Sepkoski, Jr.
2003	Megistaspis Jell and Adrain p. 404

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