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

Arthrorhachis

Trilobita - Agnostida - Metagnostidae

Synonyms
Synonymy list
YearName and author
1847Arthrorhachis Hawle and Corda
1939Girvanagnostus Kobayashi
1981Arthrorhachis Owen
1989Arthrorhachis Ahlberg
1997Arthrorhachis Whittington et al. p. 373
1999Arthrorhachis Hoel
2002Arthrorhachis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyMetagnostidaeJaekel 1909
genusArthrorhachisHawle and Corda 1847

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