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Ptychagnostus seminula

Agnostida - Ptychagnostidae

Taxonomy
Agnostus seminula was named by Whitehouse (1939).

It was recombined as Onymagnostus seminula by Robison (1984); it was recombined as Ptychagnostus seminula by Westrop et al. (1996).

Synonymy list
YearName and author
1939Agnostus seminula Whitehouse p. 254 figs. pl. 25, fig. 24
1984Onymagnostus seminula Robison p. 54
1996Ptychagnostus seminula Westrop et al. p. 819

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyPtychagnostidaeKobayashi 1939
genusPtychagnostusJaekel 1909
speciesseminula(Whitehouse 1939)

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.

Ptychagnostus seminula Whitehouse 1939
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Diagnosis
No diagnoses are available