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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polycostatus
Taxonomy
Polycostatus was named by Ji and Barnes (1994). Its type is Acodus oneotensis.
It was assigned to Protopanderodontidae by Pyle and Barnes (2002).
It was assigned to Protopanderodontidae by Pyle and Barnes (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Polycostatus Ji and Barnes |
| 2002 | Polycostatus Pyle and Barnes p. 78 |
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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.
G. †Polycostatus Ji and Barnes 1994
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†Polycostatus falsioneotensis Ji and Barnes 1994
†Polycostatus oneotensis Furnish 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Tremadoc to the top of the Llandeilian or 486.50000 to 460.90000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | Canada (Alberta) | P. falsioneotensis (203784 203785) | |
| Tremadoc | South Korea (Kangweondo) | Acodus oneotensis (203850 203857) | |
| Tremadoc | USA (Virginia) | Acodus oneotensis (203861 203862 203863) | |
| Tremadoc | Canada (British Columbia) | P. sulcatus (203830 203832) | |
| Llandeilian | Malaysia | Acodus oneotensis (181680) |