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Ceratoconidae
Taxonomy
Ceratoconidae was named by Missarzhevsky (1989).
It was synonymized subjectively with Helcionellidae by Parkhaev and Demidenko (2010).
It was assigned to Eomonoplacophora by Missarzhevsky (1989); and to Helcionelloida by Wagner (2023).
It was synonymized subjectively with Helcionellidae by Parkhaev and Demidenko (2010).
It was assigned to Eomonoplacophora by Missarzhevsky (1989); and to Helcionelloida by Wagner (2023).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Ceratoconidae Missarzhevsky |
| 2023 | Ceratoconidae Wagner p. HT567 |
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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.
Fm. †Ceratoconidae Missarzhevsky 1989
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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 (9 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) | Ceratoconus sp. (99465) | |
| Meishucunian - Nemakit-Daldynian | China (Yunnan) | Masculuconus curvativus (87093) | |
| Meishucunian | China (Hubei) | Ceratoconus bucerus (106525) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Ceratoconus striatus (233166 233218) | |
| Tommotian | Russian Federation (Yakutiya) | Ceratoconus rusticus (96510) | |
| Tommotian | China (Hubei) | Ceratoconus bucerus (155441) | |
| Tommotian - Botomian | Iran | Ceratoconus sp. (10530) |