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Orthonychia chesterense

Gastropoda - Cyrtoneritida - Orthonychiidae

Taxonomy
Platyceras (Orthonychia) chesterense was named by Meek and Worthen (1867) [Platyceras (Orthonychia) chesterense Meek & Worthen 1867]. It is a 3D body fossil.

It was recombined as Platyceras chesterense by Keyes (1888); it was recombined as Capulus chesterensis by Keyes (1890), Keyes (1890); it was recombined as Orthonychia chesterensis by Keyes (1894), Thein and Nitecki (1974); it was recombined as Orthonychia chesterense by 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
1867Platyceras (Orthonychia) chesterense Meek and Worthen p. 265
1888Platyceras chesterense Keyes figs. pl. 1 f. 4-5
1890Capulus chesterensis Keyes p. 9
1894Orthonychia chesterensis Keyes pp. 191 - 192 figs. pl. 54 f. 1a-d
1974Orthonychia chesterensis Thein and Nitecki pp. 125 - 135 figs. f. 53-59
2023Orthonychia chesterense Wagner p. 6141

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

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 chesterense Meek and Worthen 1867
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: "calcite"g
Composition 2: aragoniteg
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2010-02-04 11:04:31
Modified: 2010-02-04 13:04:31
Source: g = genus, c = class
References: Kiessling 2004, Ohern and Maynard 1913

Age range: base of the Chesterian to the top of the Brigantian or 335.40000 to 330.30000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Chesterian - Brigantian335.4 - 330.3USA (Ohio) Platyceras chesterense (85363 85367)
Chesterian335.4 - 323.4USA (Illinois) Platyceras chesterense (58998 59826) Platyceras chesterense, Platyceras chesterense (58997 59824)
Chesterian335.4 - 323.4USA (Kentucky) Platyceras chesterense (59823 59827)