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Composita strongyle
Taxonomy
Composita strongyle was named by Cooper and Grant (1976). Its type specimen is USNM 153040a, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Athyris globularis, Athyris globularis, Athyris globularis, Athyris protea, Athyris protea, Athyris protea, Athyris protea, Athyris protea, C. ambigua, C. ambigua, C. argenta, C. athabaskensis, C. bellula, C. caimaensis, C. casteri, C. dawsoni, C. deltoides, C. ficoidea, C. gibbosa, C. globularis, C. hendersoni, C. humilis, C. humulis, C. hunanensis, C. immatura, C. lateralis, C. madisonensis, C. matutina, C. megala, C. mexicana, C. obligata, C. oblonga, C. ozarkana, C. poposiensis, C. prolixa, C. ptygmation, C. salve, C. strigata, C. struniensis, C. subquadtrata, C. subtilata, C. subtilia, C. trilobata, C. trilobata, C. trilobita, C. wasatchensis, C. windsorensis, C. humilis, C. ozarkana
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Composita strongyle Cooper and Grant p. 2167 figs. Pl 649, figs 38-43; pl 654, figs 69-88 |
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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 strongyle Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 37 | 7.31 | 1.80 | 28.5 | 7.80 | 5.76 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Gzhelian to the top of the Artinskian or 303.70000 to 283.30000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | USA (Texas) | Composita strongyle (43476 43484 43489 105974) | |
| Asselian | USA (Texas) | Composita strongyle (43468 43469 43470 43472 43474 43475 43479 43481 43482 75939 75952) | |
| Sakmarian | USA (Texas) | Composita strongyle (43542 43546 43603 102612) | |
| Artinskian | USA (Texas) | Composita strongyle (81953 105754) |