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Echinauris irregularis
Taxonomy
Echinauris irregularis was named by Cooper and Grant (1975). Its type specimen is USNM 154776a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
Year | Name and author |
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1975 | Echinauris irregularis Cooper and Grant p. 1008 figs. Pl 329, figs 1-24; pl 330, figs 1-43; pl 331, figs 1-34; pl 332, figs 25-32 |
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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.
†Echinauris irregularis 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 | 29 | 5.46 | 1.60 | 10.6 | 6.90 | 2.66 |
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Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 |
Collections (49 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Artinskian - Kungurian | USA (Texas) | Echinauris irregularis (105972) | |
Kungurian | USA (Texas) | Echinauris irregularis (43459 43466 43491 43492 43494 43495 43498 43504 43510 43513 43514 43515 43516 43517 43582 44519 44565 75919 81638 81710 81949 101785 101811 105686 105687 105746 105843 105848 105849 105853 105931 105935 105939 105940 105981 106121) | |
Roadian | USA (Texas) | Echinauris irregularis (43518 43554 43563 43598 81639 81640 101782 101783 102604 102606 102611 105873) |