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Pseudoperonopsis

Trilobita - Agnostida - Spinagnostidae

Taxonomy
Pseudoperonopsis was named by Harrington (1938) [Sepkoski's age data: Cm uMid-l]. It is not extant.

It was assigned to Peronopseinae by Harrington and Leanza (1957); to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); and to Metagnostidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1938Pseudoperonopsis Harrington
1957Pseudoperonopsis Harrington and Leanza
1997Pseudoperonopsis Whittington et al. p. 360
2002Pseudoperonopsis Sepkoski, Jr.
2003Pseudoperonopsis Jell and Adrain p. 434

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familySpinagnostidaeHowell 1935
genusPseudoperonopsisHarrington 1938

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