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Omphaloptycha hormolira
Taxonomy
Omphaloptychia hormolira was named by Batten and Stokes (1986). Its type specimen is AMNH 43010 and is a 3D body fossil. Its type locality is AMNH3026, Windowblind Butte, San Rafael Swell, which is in a Smithian lagoonal/restricted shallow subtidal packstone in the Moenkopi Formation of Utah.
It was recombined as Omphaloptycha hormolira by Kaim (2009).
It was recombined as Omphaloptycha hormolira by Kaim (2009).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Omphaloptychia hormolira Batten and Stokes p. 26 figs. 41-43 |
| 2009 | Omphaloptycha hormolira Kaim p. 154 fig. 143 |
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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.
†Omphaloptycha hormolira Batten and Stokes 1986
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 6.28 | 2.78 | 15.3 | 6.65 | 4.60 | |
| shell diameter | 6 | 3.76 | 1.72 | 11.4 | 4.00 | 3.59 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Smithian or 251.30000 to 247.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | Russian Federation | Omphaloptycha hormolira (90208) | |
| Smithian | USA (Utah) | Omphaloptychia hormolira (type locality: 44283) | |
| Dienerian | Russian Federation | Omphaloptycha hormolira (90211) |