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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polyentactinia crux
Taxonomy
Polyentactinia crux was named by Sugiyama (1992). Its type locality is Mt. Kinkazan, Gifu City, P. nakatsugawaensis assemblage, which is in a Spathian basinal (siliceous) chert/shale in Japan.
Synonymy list
Year | Name and author |
---|---|
1992 | Polyentactinia crux Sugiyama |
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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.
†Polyentactinia crux Sugiyama 1992
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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: Spathian or 248.10000 to 246.70000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Spathian | Japan (Aichi) | Polyentactinia crux (220802) | |
Spathian | Japan (Kanto) | Polyentactinia crux (220545 220548 220553 220561) | |
Spathian | Japan (Tochigi) | Polyentactinia crux (220579) | |
Spathian | Japan | Polyentactinia crux (95330 type locality: 95372) |