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Arionthia lamaria
Taxonomy
Arionthia lamaria was named by Cooper and Grant (1976). Its type specimen is USNM 154707a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Arionthia lamaria Cooper and Grant p. 2754 figs. Pl 729, figs 16-40; pl 730, figs 27-53 |
| 2010 | Arionthia lamaria Tazawa p. 45 fig. 4.3a,4.3b |
| 2012 | Arionthia lamaria Tazawa p. 68 fig. 5.7 |
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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.
†Arionthia lamaria Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.59 | 5.90 | 15.6 | 10.8 | 6.86 |
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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 Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Arionthia lamaria (81619 81628 81940 101867 105902 106244 106245 106299) | |
| Capitanian | USA (New Mexico) | Arionthia lamaria (81629 102625 105989) | |
| Capitanian | USA (Texas) | Arionthia lamaria (81517 81589 81590 81593 81609 81613 81623 81624 81626 81632 81698 101798 101809 102618 105893 105895 106246 106248 106250) |