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Calvirhynchia
Taxonomy
Calvirhynchia is a genus. It is not extant. It is the type genus of Calvirhynchiinae.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Calvirhynchiinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Calvirhynchiinae by Williams et al. (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Calvirhynchia Sepkoski |
| 2002 | Calvirhynchia Williams et al. p. 1218 |
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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.
G. †Calvirhynchia
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†Calvirhynchia contraversa Oppel 1860
†Calvirhynchia kubanensis Kamyschan 1967
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 9.71 | 6.80 | 12.6 | 10.7 | 2.96 |
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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: Humphresianum or 171.60000 to 168.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Humphresianum | Ukraine | C. contraversa (163488) | |
| Subfurcatum | Russian Federation | C. kubanensis (162856) |