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Composita apheles
Taxonomy
Composita apheles was named by Cooper and Grant (1976). Its type specimen is USNM 154537f, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Composita apheles Cooper and Grant p. 2143 figs. Pl 652, figs 45-88 |
| 1987 | Composita apheles Mills and Langenheim Jr. p. 51 figs. 5.20-5.25 |
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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.
†Composita apheles Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 54 | 7.03 | 1.50 | 15.4 | 7.40 | 3.93 | |
| valve height | 1 | 7.40 | - | - | - | - |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | USA (Nevada) | Composita apheles (38843 38844 38845 38846) | |
| Artinskian | USA (Texas) | Composita apheles (43535 43559 43564 43570 43580 43612 75885 75887 75930 75936 105685 105722 105739 105763) | |
| Artinskian - Kungurian | USA (Texas) | Composita apheles (81696 105847 105972) | |
| Kungurian | USA (Texas) | Composita apheles (43534 43558 43560 43561 43562 43586 75922 75923 75926 75961 102608 105724 105727 106032) |