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Tofangoceras
Taxonomy
Tofangoceras was named by Kobayashi (1927) [Sepkoski's age data: O Llvi Sepkoski's reference number: 298,524].
It was assigned to Proteoceratidae by Flower (1962), Teichert et al. (1964), Crick (1981).
It was assigned to Proteoceratidae by Flower (1962), Teichert et al. (1964), Crick (1981).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Tofangoceras Kobayashi p. 189 |
| 1936 | Kogenoceras Shimizu and Obata |
| 1962 | Tofangoceras Flower |
| 1964 | Tofangocerina Sweet |
| 1964 | Tofangoceras Teichert et al. p. 259 |
| 1981 | Tofangoceras Crick p. 228 |
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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. †Tofangoceras Kobayashi 1927
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Invalid names: Kogenoceras Shimizu and Obata 1936 [synonym], Tofangocerina Sweet 1964 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Arenig to the top of the Marshbrookian or 477.10000 to 454.00000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | South Korea (Kangweondo (Gangwon-do)) | Kogenoceras nanpiaoense (89515 89516 89517) | |
| Arenig | China (JiLin) | Kogenoceras sp. (21147) | |
| Arenig | China (ShanXi) | T. sp. (8002) | |
| Arenig | China (HeBei) | Kogenoceras sp. (7960 7962 7966 7967) T. sp. (7974 7979) T. sp., Kogenoceras sp. (7956) | |
| Arenig | China (ShanDong) | Kogenoceras sp. (20775) T. sp. (20773) | |
| Llanvirn | China (LiaoNing) | T. sp. (20760) | |
| Llanvirn | China (HeBei) | T. sp., Kogenoceras sp. (7971) | |
| Llanvirn | China (ShanXi) | T. sp. (8005 8532) | |
| Llanvirn | China (HeNan) | T. sp. (20771) | |
| Late/Upper Llanvirn | China (HeBei) | T. sp. (7988) | |
| Llandeilo | China (HeBei) | T. sp. (7993) | |
| Uhaku - Haljala | Russian Federation (Krasnoyarsk) | T. sp. (204900) | |
| Soudleyan - Marshbrookian | China (Shaanxi) | T. sp. (8540) |