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Forreria belcheri avita
Taxonomy
Trophon belcheri avitum was named by Nomland (1917). Its type specimen is UCMP 11094 and is a 3D body fossil. Its type locality is UCMP loc. 2988, Kreyenhagen Hills, which is in a Pliocene marginal marine sandstone/conglomerate in the Etchegoin Formation of California.
It was recombined as Forreria belcheri avita by Grant and IV and Gale (1931).
It was recombined as Forreria belcheri avita by Grant and IV and Gale (1931).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Trophon belcheri avitum Nomland p. 237 figs. Plate 11, figure 5 |
| 1931 | Forreria belcheri avita Grant, IV and Gale p. 727 |
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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.
†Forreria belcheri avita Nomland 1917
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Early/Lower Pliocene or 5.33300 to 3.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | USA (California) | Trophon belcheri (type locality: 220190) | |
| Pliocene | USA (California) | Trophon belcheri (216902) |