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Akmilleria adkinsi
Taxonomy
Artinskia adkinsi was named by Plummer and Scott (1937). It is a 3D body fossil. Its type locality is B.E.G. 42-T-18, Gulf Colorado & Santa Fe Railway, Coleman, which is in an Artinskian coastal shale in the Admiral Formation of Texas.
It was recombined as Akmilleria adkinsi by Leonova (2002).
It was recombined as Akmilleria adkinsi by Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Artinskia adkinsi Plummer and Scott p. 93 figs. Pl 4, figs 16-17 |
| 1947 | Artinskia adkinsi Miller and Youngquist p. 7 figs. Pl 3, figs 6,7 |
| 2002 | Akmilleria adkinsi Leonova p. 21 |
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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.
†Akmilleria adkinsi Plummer and Scott 1937
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 11.3 | 8.50 | 15.0 | 11.8 | 4.60 | |
| shell diameter | 3 | 23.8 | 18.0 | 33.0 | 22.8 | 7.66 | |
| shell inflation | 3 | 0.001 | 0.001 | 0.001 | 0.001 | - |
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | USA (Texas) | Akmilleria adkinsi (105583) | |
| Artinskian | USA (Texas) | Akmilleria adkinsi (43568) Artinskia adkinsi (90007 101769) |