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Gerassimovia abalakovi
Taxonomy
Gerassimovia abalakovi was named by Grunt (1973). Its type specimen is PIN 2228/170 and is a 3D body fossil. Its type locality is Kutali 2, Upper Takhtabulak Fm, which is in a Changhsingian marine horizon in the Takhtabulak Formation of Tajikistan.
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Gerassimovia abalakovi Grunt p. 116 figs. Pl 9, fig 2; text-fig 27 |
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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.
†Gerassimovia abalakovi Grunt 1973
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 6.46 | 5.50 | 7.50 | 6.70 | 0.764 |
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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: Changhsingian or 254.17000 to 252.17000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Tajikistan | Gerassimovia abalakovi (109466 type locality: 109471 109477) |