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Clavatellus
Taxonomy
Clavatellus was named by Poletaeva (1955) [Sepkoski's age data: O Trem-l O Trem-u]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Clavatellus Poletaeva |
| 2002 | Clavatellus Jell and Adrain p. 358 |
| 2002 | Clavatellus 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: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Tremadocian or 486.85000 to 477.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | China | C. sinicus (276268) |