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Briantelasma
Taxonomy
Briantelasma was named by Oliver (1960) [Sepkoski's age data: S D Eife]. Its type is Briantelasma americanum.
It was assigned to Streptelasmatinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Streptelasmatinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
B. americanum (type species), B. knoxboroense
Synonymy list
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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. †Briantelasma Oliver 1960
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†Briantelasma americanum Oliver 1960
†Briantelasma knoxboroense Oliver 1960
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Ludlow to the top of the Early/Lower Frasnian or 426.70000 to 379.00000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | Mongolia | B. cincinnatum (79644) B. cincinnatum, B. kisylense (79648) B. kisylense (79645) | |
| Lochkovian | USA (New York) | B. americanum (76272 76273 76278) B. americanum, B. knoxboroense (76271 76274) B. knoxboroense (76279) | |
| Pragian | USA (New York) | B. knoxboroensis, B. americanum (24955) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | B. sp. (26849) |