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Cyclostremella
Discussion
Jack seems to have mixed two different Cyclostromella: Cyclostremella Tate (a Rissonoid) and Cyclostromella Bush (a heterobranch). The former has a fossil record going well back into the Cenozoic, whereas the latter does not.
Taxonomy
Cyclostremella was named by Tate (1898) [Sepkoski's age data: T Eo-u R]. It is extant.
It was corrected as Cyclostromella by Weisbord (1962); it was synonymized subjectively with Lodderia by Vaught et al. (1989).
It was assigned to Gastropoda by Tate (1898); to Vitrinellidae by Weisbord (1962); to Pyramidellidae by Hickman (1980); and to Heterostrophia by Sepkoski (2002).
It was corrected as Cyclostromella by Weisbord (1962); it was synonymized subjectively with Lodderia by Vaught et al. (1989).
It was assigned to Gastropoda by Tate (1898); to Vitrinellidae by Weisbord (1962); to Pyramidellidae by Hickman (1980); and to Heterostrophia by Sepkoski (2002).
Species
Synonymy list
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Rupelian to the top of the Late/Upper Pleistocene or 33.90000 to 0.01170 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rupelian | USA (Washington) | C. sp. (39965) | |
| Late/Upper Pliocene | Venezuela | C. venezuelana (131210) | |
| Late/Upper Pleistocene | USA (California) | Delphinoidea coronadoensis (59063) |