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Rhagasostoma rowei
Taxonomy
Eschara rowei was named by Brydone (1906). Its type specimen is SMB36113 and is a 3D body fossil. Its type locality is Trimingham (Lunata Zone, Sponge Beds), which is in a Maastrichtian carbonate chalk in the Upper Chalk Formation of the United Kingdom.
It was recombined as Rhagasostoma rowei by Koromyslova et al. (2018).
It was recombined as Rhagasostoma rowei by Koromyslova et al. (2018).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Eschara volgensis Eichwald p. 193 |
| 1906 | Eschara rowei Brydone p. 296 figs. Fig. 6 |
| 2018 | Rhagasostoma rowei Koromyslova et al. p. 41 figs. 16-18 |
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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 rowei Brydone 1906
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Invalid names: Eschara volgensis Eichwald 1865 [synonym]
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: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santonian - Maastrichtian | Russian Federation (Ulyanovsk) | Eschara volgensis (216948 216949) | |
| Late/Upper Campanian | Kazakhstan | Rhagasostoma rowei (216940) | |
| Late/Upper Campanian | Uzbekistan (Karakalpakstan) | Rhagasostoma rowei (216942) | |
| Late/Upper Campanian | Belarus | Rhagasostoma rowei (216924) | |
| Late/Upper Campanian | Belgium (Hainaut) | Rhagasostoma rowei (216947) | |
| Late/Upper Campanian | Turkmenistan | Rhagasostoma rowei (216951) | |
| Early/Lower Maastrichtian | United Kingdom (England) | Eschara rowei (159329) | |
| Late/Upper Maastrichtian | Turkmenistan | Rhagasostoma rowei (216950 216952) |