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Paramecephalus defossus

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Ptychoparia defossa was named by Reed (1910). It is not extant.

It was recombined as Amecephalus defossa by Kobayashi (1967); it was recombined as Paramecephalus defossus by Jell and Hughes (1997).

Synonymy list
YearName and author
1910Ptychoparia defossa Reed
1967Amecephalus defossa Kobayashi
1997Paramecephalus defossus Jell and Hughes

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusParamecephalus
speciesdefossus(Reed 1910)

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