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Heterelasma ngariensis
Taxonomy
Heterelasma ngariensis was named by Hu (1990). It is a 3D body fossil. Its type locality is Duoma, Rutog County, Tunlonggongba Formation, which is in an Artinskian marine horizon in the Tunlonggongba Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Heterelasma ngariensis Hu p. 86 figs. Pl 26, figs 35-44 |
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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.
†Heterelasma ngariensis Hu 1990
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 8.80 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Xizang) | Heterelasma ngariensis (type locality: 97292) |