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Richardsonella cristata

Trilobita - Asaphida - Remopleurididae

Taxonomy
Dikelocephalus cristatus was named by Billings (1860). Its type specimen is Nat. Mus. Canada 870a, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Conokephalina cristata by Walcott (1914); it was recombined as Richardsonella cristata by Raymond (1924) and Rasetti (1944).

Synonymy list
YearName and author
1914Conokephalina cristata Walcott
1924Richardsonella cristata Raymond
1944Richardsonella cristata Rasetti p. 256

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyRemopleurididaeHawle and Corda 1847
genusRichardsonellaRaymond 1924
speciescristata(Billings 1860)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Richardsonella cristata Billings 1860
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Diagnosis
No diagnoses are available