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Eotrigonioides antiqua
Taxonomy
Trigonioides (Wakinoa) antiqua was named by Gu and Ma (1976). It is not extant. Its type specimen is NIGPAS 26124. Its type locality is Pupeng, Xiangyun, which is in a Cretaceous fluvial-lacustrine horizon in the Gaofengsi Formation of China. It is the type species of Trigonioides (Wakinoa).
It was recombined as Eotrigonioides antiqua by Ma (1989).
It was recombined as Eotrigonioides antiqua by Ma (1989).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Trigonioides (Wakinoa) antiqua Gu and Ma |
| 1989 | Eotrigonioides antiqua Ma |
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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.
†Eotrigonioides antiqua Gu and Ma 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: Early/Lower Cretaceous or 145.00000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cretaceous | China (Yunnan) | Trigonioides antiqua (201032) |