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Yanheceras
Taxonomy
Yanheceras was named by Chen and Zou (1979) [Sepkoski's age data: Cm Trep-u Sepkoski's reference number: 297].
It was synonymized subjectively with Eburoceras by Dzik (1984).
It was assigned to Yanheceratidae by Crick (1981) and Teichert (1988); and to Yanhecerida by Sepkoski (2002).
It was synonymized subjectively with Eburoceras by Dzik (1984).
It was assigned to Yanheceratidae by Crick (1981) and Teichert (1988); and to Yanhecerida by Sepkoski (2002).
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.
G. †Yanheceras Chen and Zou 1979
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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: Niuchehean or 489.50000 to 485.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Niuchehean | China (Zhejiang) | Y. zhejiangense, Y. intermedium (125704) |