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Micragnostus

Trilobita - Agnostida - Agnostidae

Taxonomy
Micragnostus was named by Howell (1935) [Sepkoski's age data: Cm Dres-u O Llvi-l Sepkoski's reference number: 16,721,1066]. It is not extant.

It was reranked as Geragnostus (Micragnostus) by Lu and Lin (1980).

It was assigned to Geragnostus by Lu and Lin (1980); to Agnostidae by Whittington et al. (1997) and Bao and Jago (2000); and to Agnostida by Sepkoski (2002).

Synonymy list
YearName and author
1935Micragnostus Howell
1980Geragnostus (Micragnostus) Lu and Lin
1997Micragnostus Whittington et al. p. 342
2000Micragnostus Bao and Jago pp. 887. 890
2002Micragnostus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyAgnostidaeM'Coy 1849
genusMicragnostusHowell 1935

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