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Youngiella
Taxonomy
Youngiella is a genus. It is not extant. It is the type genus of Youngiellacea.
It was assigned to Youngiellidae by Benson et al. (1961), Hoare and Mapes (2000), Ferdinando (2001); and to Palaeocopida by Sepkoski (2002).
It was assigned to Youngiellidae by Benson et al. (1961), Hoare and Mapes (2000), Ferdinando (2001); and to Palaeocopida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Youngiella Benson et al. p. Q177 |
| 2000 | Youngiella Hoare and Mapes p. 11 |
| 2001 | Youngiella Ferdinando p. 105 |
| 2002 | Youngiella 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.
G. †Youngiella
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†Youngiella deweyensis Ferdinando 2001
†Youngiella wapanuckensis Harlton 1933
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: base of the Givetian to the top of the Wuchiapingian or 387.95000 to 254.14000 Ma
Collections (44 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | France | Y. sp. 1 (38681 38683) | |
| Chadian | USA (Indiana) | Y. sp. (2202) | |
| Early/Lower Pennsylvanian | USA (Oklahoma) | Y. wapanuckensis (132872) | |
| Sakmarian | Australia (Western Australia) | Y. deweyensis (108208 108209 108211 108214 108218 108223 108227 108229 108230 108231 108233 108246 108248 108278 108281 108291 108292 108294 108295 108303) Y. sp. A (108222 108237 108242 108244 108245 108247 108250 108280 108285 108289 108296 108299 108300) Y. sp. A, Y. deweyensis (108241 108284 108293 108297 108298 108302) | |
| Wuchiapingian | Iran | Y. sp. (155129) |