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Dimeropygiella
Taxonomy
Dimeropygiella was named by Ross (1951) [Sepkoski's age data: O Aren].
It was synonymized subjectively with Ischyrotoma by Whittington (1963).
It was assigned to Proetida by Sepkoski (2002); and to Dimeropygidae by Adrain et al. (2001) and Jell and Adrain (2002).
It was synonymized subjectively with Ischyrotoma by Whittington (1963).
It was assigned to Proetida by Sepkoski (2002); and to Dimeropygidae by Adrain et al. (2001) and Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Dimeropygiella Ross p. 123 |
| 2001 | Dimeropygiella Adrain et al. |
| 2002 | Dimeropygiella Jell and Adrain p. 367 |
| 2002 | Dimeropygiella 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. †Dimeropygiella Ross 1951
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†Dimeropygiella blanda Hintze 1953
†Dimeropygiella caudanodosa Ross 1951
†Dimeropygiella fillmorensis Adrain et al. 2001
†Dimeropygiella mccormicki Adrain et al. 2001
†Dimeropygiella ovata Hintze 1953
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004, Alvarez et al. 2008 | |||||
Age range: base of the Cassinian to the top of the Whiterockian or 482.30000 to 457.30000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | Canada (Alberta) | Ischyrotoma caudanodosa (10902) | |
| Cassinian | USA (Oklahoma) | D. sp. 1 (106822 106825) | |
| Blackhillsian | Canada (Alberta) | Ischyrotoma caudanodosa (10899) | |
| Blackhillsian | USA (California) | D. sp. (104349) Ischyrotoma caudanodosa (104636) | |
| Blackhillsian | USA (Nevada) | D. sp. (77181) Ischyrotoma caudanodosa (104556) Ischyrotoma ovata (104548 104553) | |
| Blackhillsian | USA (Utah) | D. blanda (104118 104121) D. caudanodosa (63840 63846 63848 63926 63928 63931 103831 103917) D. ovata, D. blanda (105780) D. sp. (295 104116 104126 104127 105779) Ischyrotoma blanda, Ischyrotoma ovata (69261) | |
| Whiterockian | USA (Utah) | D. caudanodosa (106373 106374 106375) D. fillmorensis, D. mccormicki (106371) D. ovata, D. blanda, D. fillmorensis (106370) D. sp., D. caudanodosa (106372) |