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Cystiscus
Taxonomy
Cystiscus was named by Stimpson (1865) [m. kosnik taxon no: 8220]. It is extant.
It was reranked as Hyalina (Cystiscus) by Grant and IV and Gale (1931); it was reranked as Marginella (Cystiscus) by Valentine (1958).
It was assigned to Hyalina by Grant and IV and Gale (1931); to Marginella by Valentine (1958); to Marginellidae by Wilson (1993); and to Cystiscidae by Todd (2001).
It was reranked as Hyalina (Cystiscus) by Grant and IV and Gale (1931); it was reranked as Marginella (Cystiscus) by Valentine (1958).
It was assigned to Hyalina by Grant and IV and Gale (1931); to Marginella by Valentine (1958); to Marginellidae by Wilson (1993); and to Cystiscidae by Todd (2001).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Cystiscus Stimpson |
| 1931 | Hyalina (Cystiscus) Grant, IV and Gale p. 630 |
| 1958 | Marginella (Cystiscus) Valentine |
| 1993 | Cystiscus Wilson p. 141 |
| 2001 | Cystiscus Todd |
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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. Cystiscus Stimpson 1865
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†Hyalina (Cystiscus) instabilata Hanna 1924
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Invalid names: Marginella pacifica Dickerson 1917 [replaced]
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 Late/Upper Eocene to the top of the Holocene or 37.71000 to 0.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | USA (Washington) | Marginella pacifica (4900) | |
| Priabonian | USA (Washington) | Marginella instabilata (40733) | |
| Late/Upper Miocene | Indonesia (Kalimantan) | C. sp. (173685) | |
| Piacenzian | Panama (Bocas) | C. sp. (79983) | |
| Holocene | China | C. japonica (96349 96354) |