| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pentacrinus ariakensis
Taxonomy
Pentacrinus ariakensis was named by Yokoyama (1911). It is a 3D body fossil. Its type locality is Manda, Miike Coal-field (403 feet depth), which is in a Bartonian marine sandstone in Japan.
Sister species lacking formal opinion data
Synonymy list
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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.
†Pentacrinus ariakensis Yokoyama 1911
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992, Hendy et al. 2009 | |||||
Age range: Bartonian or 41.03000 to 37.71000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian | Japan | Pentacrinus ariakensis (type locality: 179902) | |
| Bartonian - Priabonian | Japan (Kumamoto) | Pentacrinus ariakensis (138445) |