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Protypus
Taxonomy
Protypus was named by Walcott (1986) [Sepkoski's age data: Cm Tojo Sepkoski's reference number: 469]. It is not extant.
It was assigned to Corynexochida by Sepkoski (2002); and to Dorypygidae by Jell and Adrain (2002).
It was assigned to Corynexochida by Sepkoski (2002); and to Dorypygidae by Jell and Adrain (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Bicaspis Resser |
| 1986 | Protypus Walcott |
| 2002 | Protypus Jell and Adrain p. 432 |
| 2002 | Protypus 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. †Protypus Walcott 1986
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†Protypus hitchcocki Whitfield 1884
Invalid names: Bicaspis Resser 1938 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 | |||||
Age range: base of the Atdabanian to the top of the Delamaran or 521.00000 to 505.30000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Russian Federation (Khakasiya) | P. carus (81329) P. carus, P. rotundus (81328) P. sp. (81314) | |
| Botomian | Russian Federation (Tuva) | P. sp. (81481) | |
| Dyeran | USA (New York) | P. sp. (182) | |
| Dyeran | USA (Vermont) | P. hitchcocki (121235) P. sp. (191) | |
| Delamaran | USA (Virginia) | Bicaspis austinvillensis (219911) |