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Ceratoconus
Taxonomy
Ceratoconus was named by Chen and Zhang (1980) [Sepkoski's age data: Cm Tomm-u Sepkoski's reference number: 1006]. Its type is Ceratoconus striatus.
It was assigned to Ceratoconidae by Missarzhevsky (1989); and to Mollusca by Sepkoski (2002) and Kouchinsky et al. (2017).
It was assigned to Ceratoconidae by Missarzhevsky (1989); and to Mollusca by Sepkoski (2002) and Kouchinsky et al. (2017).
Species
C. bucerus, C. striatus (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Ceratoconus Chen and Zhang |
| 1989 | Ceratoconus Missarzhevsky p. 181 |
| 2002 | Ceratoconus Sepkoski |
| 2017 | Ceratoconus Kouchinsky et al. p. 355 |
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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. †Ceratoconus Chen and Zhang 1980
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†Ceratoconus bucerus Chen 1984
†Ceratoconus striatus Chen and Zhang 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: base of the Meishucunian to the top of the Tommotian or 530.70000 to 521.00000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | Russian Federation (Khabarovsk Krai) | Pollicina striata (50367) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk) | C. sp. (99465) | |
| Meishucunian | China (Hubei) | C. bucerus (106525) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | C. striatus (233166 233218) | |
| Tommotian | China (Hubei) | C. bucerus (155441) | |
| Tommotian | Russian Federation (Yakutiya) | C. rusticus (96510) | |
| Tommotian - Botomian | Iran | C. sp. (10530) |