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Petalorhynchus beargulchensis
Taxonomy
Petalorhynchus beargulchensis was named by Lund (1989). Its type specimen is CMNH 41032, a partial skeleton (anterior portion of small specimen), and it is a compression preserving soft parts. Its type locality is Bear Gulch (Carnegie Museum Collection), which is in an Arnsbergian open shallow subtidal limestone in the Heath Formation of Montana.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Petalorhynchus beargulchensis Lund p. 358 |
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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.
†Petalorhynchus beargulchensis Lund 1989
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: Arnsbergian or 327.00000 to 323.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arnsbergian | USA (Montana) | Petalorhynchus beargulchensis (type locality: 90681) |