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Pseudagnostus (Pseudagnostina)

Trilobita - Agnostida - Diplagnostidae

Taxonomy
Pseudagnostina was named by Palmer (1962) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 16]. Its type is Pseudagnostina contracta.

It was reranked as Pseudagnostus (Pseudagnostina) by Shergold (1977).

It was assigned to Pseudagnostus by Shergold (1977); to Pseudagnostidae by Westrop et al. (1996); to Agnostida by Sepkoski (2002); and to Diplagnostidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1962Pseudagnostina Palmer
1977Pseudagnostus (Pseudagnostina) Shergold
1996Pseudagnostina Westrop et al. p. 820
2002Pseudagnostina Sepkoski, Jr.
2003Pseudagnostina Jell and Adrain p. 432

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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
genusPseudagnostusJaekel 1909
subgenusPseudagnostina()

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