Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Perispyridium facetum
Taxonomy
Perispyridium facetum was named by Pessagno and Blome (1982). It is not extant.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1982 | Perispyridium facetum Pessagno and Blome |
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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.
†Perispyridium facetum Pessagno and Blome 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 1999 |
Age range: Late/Upper Bajocian or 171.60000 to 167.70000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Bajocian | USA (Oregon) | Perispyridium facetum (106403) |