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Xystinotus
Taxonomy
Xystinotus was named by Kesling (1953) [Sepkoski's age data: O u D Give Sepkoski's reference number: ZR91]. It is not extant.
It was assigned to Bolliidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
It was assigned to Bolliidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Xystinotus Kesling |
| 1961 | Xystinotus Benson et al. |
| 2002 | Xystinotus 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. †Xystinotus Kesling 1953
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†Xystinotus subnodatus Turner 1939
†Xystinotus wrightorum Kesling 1953
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: Givetian or 387.95000 to 382.31000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Devonian | Canada (Ontario) | X. subnodatus (210636) X. subnodatus, X. wrightorum (210635) | |
| Givetian | USA (Ohio) | X. subnodatus, X. wrightorum (81857 206972 206973 206974) | |
| Givetian | USA (Michigan) | X. subnodatus, X. wrightorum (38475 38476) |