| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pterocephalia constricta
Taxonomy
Pterocephalia constricta was named by Palmer (1968). It is a 3D body fossil. Its type locality is USGS 4381-CO - Jones Ridge Limestone, Jones Ridge-Squaw Mountain area, which is in a Dresbachian carbonate limestone in the Jones Ridge Limestone Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Pterocephalia constricta Palmer pp. B72-B73 figs. pl. 8 f. 5-10 |
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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.
†Pterocephalia constricta Palmer 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy 2009 | |||||
Age range: Dresbachian or 497.00000 to 486.85000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dresbachian | USA (Alaska) | Pterocephalia constricta (type locality: 64800) |