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Almites invariabilis
Taxonomy
Marathonites invariabilis was named by Ruzhentsev (1933). Its type specimen is PIN 317/12337 and is a 3D body fossil.
It was recombined as Marathonites (Almites) invariabilis by Ruzhentsev (1956); it was recombined as Almites invariabilis by Bogoslovskaya (1990), Leonova (2002).
It was recombined as Marathonites (Almites) invariabilis by Ruzhentsev (1956); it was recombined as Almites invariabilis by Bogoslovskaya (1990), Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Marathonites invariabilis Ruzhentsev p. 73 figs. Pl 5, figs 1-3; text-fig 5a |
| 1956 | Marathonites (Almites) invariabilis Ruzhentsev p. 244 figs. Pl 37, figs 3-5; pl 38, fig 1 |
| 1990 | Almites invariabilis Bogoslovskaya p. 71 |
| 2002 | Almites invariabilis Leonova p. S78 |
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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.
†Almites invariabilis Ruzhentsev 1933
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 14.9 | 10.6 | 19.0 | 15.7 | 3.58 | |
| shell diameter | 4 | 27.9 | 20.0 | 35.0 | 29.6 | 6.40 | |
| shell inflation | 4 | 1.64 | 1.00 | 2.00 | 1.90 | 0.476 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Kazakhstan | Marathonites invariabilis (116788 125111 125112 125115 125116 125117) | |
| Artinskian | Kazakhstan (Aqtobe) | Marathonites invariabilis (125131) |