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Tropidelasma perattenuatum
Taxonomy
Streptorhynchus perattenuatum was named by Girty (1909). It is not a trace fossil. Its type locality is USGS 2962 green, southern Delaware Mountains, which is in a Roadian/Capitanian slope limestone in the Delaware Mountain Formation of Texas.
It was recombined as Tropidelasma perattenuatum by Cooper and Grant (1974).
It was recombined as Tropidelasma perattenuatum by Cooper and Grant (1974).
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Streptorhynchus perattenuatum Girty |
| 1974 | Tropidelasma perattenuatum Cooper and Grant p. 343 |
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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.
†Tropidelasma perattenuatum Girty 1909
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian - Capitanian | USA (Texas) | Streptorhynchus perattenuatum (type locality: 108827) |