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Belbekella rotundicosta
Taxonomy
Rhynchonella multiformis rotundicosta was named by Jacob and Fallot (1913).
It was recombined as Belbekella rotundicosta by Smirnova (2012).
It was recombined as Belbekella rotundicosta by Smirnova (2012).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1913 | Rhynchonella multiformis rotundicosta Jacob and Fallot p. 55 figs. Pl. 8, Fig. 6-13 |
2012 | Belbekella rotundicosta Smirnova p. 1205 figs. Pl. 1, Fig. 4-5 |
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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.
†Belbekella rotundicosta Jacob and Fallot 1913
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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height | 5 | 10.2 | 9.50 | 11.8 | 9.80 | 0.934 |
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Hauterivian to the top of the Early/Lower Hauterivian or 132.90000 to 130.00000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Hauterivian | Italy | Belbekella rotundicosta (12774) | |
Hauterivian | Russian Federation | Belbekella rotundicosta (155450) |