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Pseudoheliodiscus decilobum
Taxonomy
Kozurastrum decilobum was named by Carter (1993). Its type locality is 88-CNA-KPA-R3 Kennecott Point, Graham Island, which is in a Sevatian basinal (siliciclastic) limestone/siltstone in the Sandilands Formation of Canada.
It was recombined as Pseudoheliodiscus decilobum by Yeh and Cheng (1996); it was recombined as Hexasaturnalis decilobum by Danelian (2010).
It was recombined as Pseudoheliodiscus decilobum by Yeh and Cheng (1996); it was recombined as Hexasaturnalis decilobum by Danelian (2010).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Kozurastrum decilobum Carter |
| 1996 | Pseudoheliodiscus decilobum Yeh and Cheng |
| 2010 | Hexasaturnalis decilobum Danelian |
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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.
†Pseudoheliodiscus decilobum Carter 1993
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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: Sevatian or 212.00000 to 205.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | Canada (British Columbia) | Kozurastrum decilobum (94695) | |
| Sevatian | Canada (British Columbia) | Kozurastrum decilobum (type locality: 94697) | |
| Rhaetian | Philippines (Palawan) | Pseudoheliodiscus decilobum (95145) | |
| Rhaetian | Canada (British Columbia) | Kozurastrum decilobum (94702 94704 94724 94746) |