Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dyoros (Dyoros) transversus
Taxonomy
Dyoros (Dyoros) transversus was named by Cooper and Grant (1975). Its type specimen is USNM 151980a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
Year | Name and author |
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1975 | Dyoros (Dyoros) transversus Cooper and Grant p. 1239 figs. Pl 386, figs 28-67; pl 487, figs 1-17; pl 501, figs 1-4 |
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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.
†Dyoros (Dyoros) transversus Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 14 | 1.88 | 0.800 | 3.20 | 2.05 | 0.779 |
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 268.80000 Ma
Collections (25 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Artinskian | Russian Federation | Dyoros transversus (110156 110161) | |
Artinskian - Kungurian | Russian Federation (Nenets Autonomous Okrug) | Dyoros transversus (86154) | |
Kungurian | USA (Texas) | Dyoros transversus (43517 102623 106165) | |
Roadian | USA (Texas) | Dyoros transversus (43518 43563 43613 44242 81640 101782 101783 101805 101807 101808 102603 102607 102610 102615 105838 105851 105873 105874 106109) |