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Orthonychia ungula

Gastropoda - Cyrtoneritida - Orthonychiidae

Taxonomy
Orthonychia ungula was named by Weller (1906). It is a 3D body fossil. Its type locality is Goetz's Lime Quarry, just below Glen Park Station, which is in a Kinderhookian carbonate limestone in the Glen Park Formation of Missouri.

It was corrected as Orthonychia ungula by Girty (1929); it was recombined as Rhabdocantha ungula by Fletcher (1958); it was recombined as Platyceras (Orthonychia) ungula by Yochelson and Saunders (1867) and Yochelson and Saunders (1967).

Synonymy list
YearName and author
1867Platyceras (Orthonychia) ungula Yochelson and Saunders p. 176
1906Orthonychia ungula Weller p. 461 figs. pl. 7 f. 36-37
1929Orthonychia ungula Girty p. 94 figs. pl. 12 f. 21-22
1958Rhabdocantha ungula Fletcher pp. 124 – 125 figs. pl. 7 f. 12; pl. 8 f. 1-3; pl. 9 f. 3-4
1967Platyceras (Orthonychia) ungula Yochelson and Saunders p. 176

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

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 ungula Weller 1906
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Diagnosis
No diagnoses are available