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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oligoptycha popenoei
Taxonomy
Oligoptycha popenoei was named by Allison (1955). Its type specimen is UCMP 33710, a shell, and it is a 3D body fossil. Its type locality is Alisitos Fm. (UCB A-8331), which is in an Aptian shallow subtidal siltstone in the Alisitos Formation of Mexico.
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Oligoptycha popenoei Allison p. 420 figs. Pl. 44, figs. 14, 15 |
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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.
†Oligoptycha popenoei Allison 1955
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Mexico (Baja California) | Oligoptycha popenoei (type locality: 1890) |