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Pianaspis attenuata

Trilobita - Ptychopariida - Papyriaspididae

Taxonomy
Prohedinia attenuata was named by Lermontova and Chernysheva (1950) [in Chernysheva et al.]. It is not extant.

It was recombined as Pianaspis attenuata by Yang et al. (1993).

Synonymy list
YearName and author
1950Prohedinia attenuata Lermontova and Chernysheva
1993Pianaspis attenuata Yang et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Life
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPapyriaspididaeWhitehouse 1939
genusPianaspisSaito and Sakakura 1936
speciesattenuata(Lermontova and Chernysheva 1950)

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.

Pianaspis attenuata Lermontova and Chernysheva 1950
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Diagnosis
No diagnoses are available