Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Metacryphaeus

Trilobita - Phacopida - Calmoniidae

Taxonomy
Metacryphaeus was named by Reed (1907) [Sepkoski's age data: D Emsi-u D Give Sepkoski's reference number: 421,1106].

It was assigned to Phacopida by Sepkoski (2002); and to Calmoniidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1907Metacryphaeus Reed
2002Metacryphaeus Sepkoski, Jr.
2003Metacryphaeus Jell and Adrain p. 405

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
familyCalmoniidaeDelo 1935
genusMetacryphaeusReed 1907

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.

Diagnosis
No diagnoses are available