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Calocyclas
Taxonomy
Calocyclas was named by Ehrenberg (1847) [Sepkoski's age data: T Eo-l T Eo-u]. It is extant. Its type is Calocyclas turris.
It was assigned to Eucyrtidiidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
It was assigned to Eucyrtidiidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
Species
C. hispida, C. turris (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Calocyclas Ehrenberg |
| 2001 | Calocyclas De Wever et al. p. 278 |
| 2002 | Calocyclas Sepkoski |
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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. Calocyclas Ehrenberg 1847
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†Calocyclas hispida Ehrenberg) 1873
Calocyclas turris Ehrenberg 1874
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Ypresian to the top of the Middle Miocene or 56.00000 to 11.63000 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Cyprus | C. hispida (90892 90893 90894) | |
| Lutetian | Cyprus | C. hispida (90889 90890 90891) | |
| Late/Upper Eocene | Peru (Ica) | C. hispida, C. turris (84654) | |
| Middle Miocene | Ecuador | C. margatensis (90851) |