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Calymenidius
Taxonomy
Calymenidius was named by Rasetti (1944) [Sepkoski's age data: Cm Trep O Llvi-u Sepkoski's reference number: 795]. It is not extant. Its type is Calymenidius tuberculatus.
It was assigned to Lonchocephalidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Lonchocephalidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species
C. tuberculatus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Calymenidius Rasetti p. 240 |
| 2002 | Calymenidius Jell and Adrain p. 354 |
| 2002 | Calymenidius 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: base of the Franconian to the top of the Chazyan or 497.00000 to 457.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | Canada (Yukon) | C. acutus (55302) | |
| Furongian | Canada (Alberta) | C. sp. (229380) | |
| Chazyan | Canada (Newfoundland and Labrador) | C. sp. (104861) |