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Oligoptycha

Gastropoda - Heterostropha - Ringiculidae

Taxonomy
Oligoptycha was named by Meek (1876) [Sepkoski's age data: K Coni-u K Maes-u Sepkoski's reference number: 4,888]. It is not extant.

It was reranked as Cinulia (Oligoptycha) by Böhm (1891).

It was assigned to Cinulia by Böhm (1891); to Ringiculidae by Allison (1955), Popenoe (1957), Sohl (1964); and to Cephalaspida by Sepkoski (2002).

Synonymy list
YearName and author
1876Oligoptycha Meek
1891Cinulia (Oligoptycha) Böhm p. 54
1955Oligoptycha Allison
1957Oligoptycha Popenoe p. 431
1964Oligoptycha Sohl p. 295
2002Oligoptycha Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
orderHeterostropha()
superfamilyActeonoidead'Orbigny 1835
familyRingiculidaePhilippi 1853
genusOligoptychaMeek 1876

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.

G. †Oligoptycha Meek 1876
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†Oligoptycha americana Wade 1926
†Oligoptycha corrugata Sohl 1964
†Oligoptycha popenoei Allison 1955
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 07:36:45
Modified: 2009-09-10 09:36:45
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 122.46000 to 66.00000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Aptian122.46 - 113.0Mexico (Baja California) O. popenoei (1890)
Late/Upper Campanian83.5 - 70.6USA (Colorado) O. concinna (162249)
Late/Upper Campanian83.5 - 70.6USA (Wyoming) O. concina (235645 235664)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (Tennessee) O. americana (7515)
Maastrichtian72.1 - 66.0USA (Texas) O. sp. (205541)
Maastrichtian72.1 - 66.0USA (Wyoming) O. concinna (1594)
Maastrichtian72.1 - 66.0USA (New Jersey) O. sp. (4378 4380)
Maastrichtian72.1 - 66.0USA (Tennessee) O. americana (205445)
Maastrichtian72.1 - 66.0USA (Mississippi) O. corrugata (7600) O. sp. (205512)
Early/Lower Maastrichtian70.6 - 66.0USA (Wyoming) O. concinna (1586)
Early/Lower Maastrichtian70.6 - 66.0USA (Mississippi) O. corrugata (7479 7586 7590 7592)
Early/Lower Maastrichtian70.6 - 66.0Germany Cinulia sp., Cinulia bistriata (213668)
Late/Upper Maastrichtian70.6 - 66.0USA (Maryland) O. sp. (4367 4368 4369 4371 4374)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) O. sp. (4125)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) O. americana (4437)