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Orthonychia concavum

Gastropoda - Cyrtoneritida - Orthonychiidae

Taxonomy
Platyceras (Orthonychia) concavum was named by Hall (1859) [Platyceras (Orthonychia) concavum Hall 1860b]. It is not extant.

It was recombined as Platyceras concavum by Linsley (1994); it was recombined as Orthonychia concavum by Hall (1879), Wagner (2023).

Sister species lacking formal opinion data
O. aliena, O. anquis, O. bohemica, O. striatulus, Platyceras alienum, Platyceras auquis

Synonymy list
YearName and author
1859Platyceras (Orthonychia) concavum Hall
1879Orthonychia concavum Hall figs. pl. 1 f. 3-7
1994Platyceras concavum Linsley
2023Orthonychia concavum Wagner p. 633

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassNeritimorpha
orderCyrtoneritida()
familyOrthonychiidae
genusOrthonychia
speciesconcavum()

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.

†Orthonychia concavum Hall 1859
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Diagnosis
No diagnoses are available