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Pomatotrema
Taxonomy
Pomatotrema was named by Ulrich and Cooper (1932) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 1,4].
It was assigned to Polytoechiidae by Williams et al. (2000); and to Tritoechiinae by Sepkoski (2002).
It was assigned to Polytoechiidae by Williams et al. (2000); and to Tritoechiinae by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Pomatotrema Ulrich and Cooper |
| 2000 | Pomatotrema Williams et al. p. 708 |
| 2002 | Pomatotrema Sepkoski p. 624 |
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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. †Pomatotrema Ulrich and Cooper 1932
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†Pomatotrema fecunda Popov et al. 2001
†Pomatotrema inconspicuum Williams and Curry 1985
†Pomatotrema oklahomense Ulrich and Cooper 1936
†Pomatotrema orbicularis Zeng 1977
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Invalid names: Martellia transversa Feng and Zeng 1977 [synonym]
†Pomatotrema transversum Ulrich and Cooper 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Bambach et al. 2007, Nesnidal et al. 2013 | |||||
Age range: base of the Cassinian to the top of the Early/Lower Llanvirn or 483.40000 to 461.10000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | China (Hubei) | P. sp. (7728) | |
| Cassinian | USA (Oklahoma) | P. oklahomense, P. transversum (188455) | |
| Cassinian | USA (Tennessee) | P. oklahomense (210754) | |
| Floian | China (Hunan) | P. sp. (226639) | |
| Arenig | China (JiangSu) | P. sp. (7878 7925) | |
| Castlemainian - Yapeenian | Ireland | P. inconspicuum (153922) | |
| Abereiddian | Kazakhstan | P. fecunda (165482 165483 165484 165485 165486 165487 165544 165566 165591 165593) | |
| Early/Lower Llanvirn | Argentina | P. sp. (8747 8748) |