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Nahannagnostus

Trilobita - Agnostida - Diplagnostidae

Taxonomy
Nahannagnostus was named by Pratt (1992) [Sepkoski's age data: Cm uMid-u Cm Dres-l Sepkoski's reference number: 1017].

It was assigned to Pseudagnostidae by Westrop et al. (1996); to Diplagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).

Synonymy list
YearName and author
1992Nahannagnostus Pratt
1996Nahannagnostus Westrop et al. p. 820
1997Nahannagnostus Whittington et al. p. 368
2002Nahannagnostus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
superfamilyAgnostoideaM'Coy 1849
familyDiplagnostidaeWhitehouse 1936
genusNahannagnostusPratt 1992

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