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Rasenia (Eurasenia) triplicata
Taxonomy
Rasenia (Eurasenia) triplicata was named by Mesezhnikov (1984). Its type specimen is VNIGRI 364/686, a shell, and it is a 3D body fossil. Its type locality is Levaya Boyarka River, outcrop 22, bed 5, Taimyr, which is in a Kimmeridgian marine siliciclastic in the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Rasenia (Eurasenia) triplicata Mesezhnikov p. 112 figs. Pl 14, figs 4,5; pl 17, fig 3; pl 19, fig 4; text-fig 39 |
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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.
†Rasenia (Eurasenia) triplicata Mesezhnikov 1984
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 14.6 | 12.5 | 16.3 | 14.9 | 1.61 | |
| shell diameter | 4 | 46.4 | 43.0 | 52.5 | 45.2 | 4.14 | |
| shell inflation | 4 | 20.2 | 19.1 | 22.1 | 19.9 | 1.36 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Kimmeridgian or 155.70000 to 150.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Kimmeridgian | Russian Federation (Krasnoyarsk) | Rasenia triplicata (163992 type locality: 163993) |