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Stenoscisma triquetrum
Taxonomy
Stenoscisma triquetrum was named by Cooper and Grant (1976). Its type specimen is USNM 152191u, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Stenoscisma triquetrum Cooper and Grant p. 2110 figs. Pl 578, figs 1-79; pl 579, figs 1-32; pl 580, figs 1-36; pl 581, figs 1-19; pl 582, figs 1-22 |
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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.
†Stenoscisma triquetrum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 36 | 5.77 | 0.800 | 22.5 | 5.60 | 7.00 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (39 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Texas) | Camarophoria venusta (69002) Stenoscisma triquetrum (43459 43466 43491 43492 43494 43495 43498 43504 43510 43513 43515 43582 43589 44519 44752 81638 81651 101785 101811 105678 105852 105885 105935 105939 105940 105941 105980 105981 106020 106037 106158) | |
| Roadian | USA (Texas) | Stenoscisma triquetrum (43512 43554 81640 101782 102611 105742 105805) |