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Rhagasostoma tchvanovi
Taxonomy
Onychocella tchvanovi was named by Favorskaya (1992). Its type specimen is TsNIGR Museum 33/12582 and is a 3D body fossil. Its type locality is Southern Aral Sea region (C. voltzianus zone), which is in a Campanian marine horizon in Uzbekistan.
It was recombined as Rhagasostoma tchvanovi by Koromyslova et al. (2018).
It was recombined as Rhagasostoma tchvanovi by Koromyslova et al. (2018).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Onychocella tchvanovi Favorskaya p. 126 figs. Pl. 68, Figs. 6-8 |
| 2018 | Rhagasostoma tchvanovi Koromyslova et al. p. 38 fig. 15 |
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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.
†Rhagasostoma tchvanovi Favorskaya 1992
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Uzbekistan (Karakalpakstan) | Onychocella tchvanovi (216937 216942) |