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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Opisthonema palosverdensis
Taxonomy
Opisthonema palosverdensis was named by David (1943). It is a 3D body fossil. Its type locality is White Point, which is in a Barstovian marine shale in the Monterey Formation of California.
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Opisthonema palosverdensis David p. 81 |
| 2012 | Opisthonema palosverdensis Fierstine et al. p. 25 |
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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.
†Opisthonema palosverdensis David 1943
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. David 1943 | Head 3f in body, depth of body 3. D. = 17; A. = 25; ventrals below posterior part of dorsal fin. 17 + 12 ventral scutes, 42 vertebrae. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Barstovian or 16.30000 to 12.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Barstovian | USA (California) | Opisthonema palosverdensis (type locality: 85313) |