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Loxophragmus ellipticus
Taxonomy
Loxophragmus ellipticus was named by Cooper and Grant (1974). Its type specimen is USNM 150685, a valve, and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Loxophragmus ellipticus Cooper and Grant pp. 432-433 figs. Pl 137, figs 21-22; pl 152, figs 5-8; pl 166, figs 1-37 |
| 2016 | Loxophragmus ellipticus Tazawa p. 374 figs. 7.1-7.3 |
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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.
†Loxophragmus ellipticus Cooper and Grant 1974
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 12 | 6.77 | 5.50 | 9.60 | 6.50 | 1.25 |
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: Kungurian or 283.30000 to 274.40000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Japan | Loxophragmus ellipticus (181933) | |
| Kungurian | USA (Texas) | Loxophragmus ellipticus (43491 43494 43498 43504 43510 43515 43516 81638 101811 105938) |