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Tropidodiscus arisaigensis
Taxonomy
Tropidodiscus arisaigensis was named by Peel (1977) [Tropidodiscus(?) arisaigensis Peel 1977b]. It is not extant. Its type locality is USNM 10165. Shore, 1450 ft northeast of McAdam Brook, which is in a Gleedonian marine siltstone/shale in the Doctors Brook Formation of Canada.
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.
†Tropidodiscus arisaigensis Peel 1977
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: Gleedonian or 429.60000 to 426.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gleedonian | Canada (Nova Scotia) | Tropidodiscus arisaigensis (type locality: 155696) |