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Ptychoparella usualis

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Ptychoparella usualis was named by Chien and Zhou (1974). It is not extant.

Sister species lacking formal opinion data
P. kindlei

Synonymy list
YearName and author
1974Ptychoparella usualis Chien and Zhou

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusPtychoparellaPoulson 1927
speciesusualisChien and Zhou 1974

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.

†Ptychoparella usualis Chien and Zhou 1974
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Diagnosis
No diagnoses are available