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Platillaenus
Taxonomy
Platillaenus was named by Jaanusson (1954) [Sepkoski's age data: O Llvi O Cara-l Sepkoski's reference number: 382]. It is not extant.
It was assigned to Illaenidae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
It was assigned to Illaenidae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Platillaenus Jaanusson |
| 2002 | Platillaenus Jell and Adrain p. 426 |
| 2002 | Platillaenus Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy 2009, Whittington et al. 1997, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Darriwilian to the top of the Johvi or 467.30000 to 449.90000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | Argentina | P. sp. (8721) | |
| Chazyan | USA (New York) | Illaenus erastusi (56215 172171 172229 172232 172295 172316 172317 172318 172331) | |
| Whiterockian | USA (Vermont) | P. erastusi (103289) | |
| Whiterockian | USA (New York) | P. erastusi (103280 103301 103316) | |
| Darriwilian | Australia (Tasmania) | P. sp. (2674) | |
| Keila | Russian Federation | P. jevensis (167738) | |
| Johvi | Russian Federation | P. jevensis (167737) |