| Tapashanites Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ceratitida |
| Family: | †Tapashanitidae |
| Genus: | †Tapashanites Zhao & Liang, 1965 |
Tapashanites is a genus of ammonites in the family Tapashanitidae of the order Ceratitida.[1][2][3] The genus is used as an index fossil for the Changhsingian stage of the Late Permian because its first appearance is only 42 cm (17 in) above the base of the Changhsingian (FAD of Clarkina wangi)[4]
References
- ↑ "Genus Tapashanites". GONIAT.org.
- ↑ "Tapashantites". www.Mindat.org.
- ↑ "Tapashantites". Palaeobiology database.
- ↑ Jin, Yugan; Wang, Yue; Henderson, Charles; Wardlaw, Bruce W.; Shen, Shuzhong; Cao, Changqun. "The Global Boundary Stratotype Section and Point (GSSP) for the base of Changhsingian Stage (Upper Permian)" (PDF).
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