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Exilifrons
Taxonomy
Exilifrons was named by Crickmay (1968) [Sepkoski's age data: D Gedi D Emsi-l Sepkoski's reference number: 1240]. It is not extant.
It was assigned to Paradisphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Paradisphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by A. Girndt on 2013-04-30
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. †Exilifrons Crickmay 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Emsian - Eifelian | Russian Federation (Arkhangel'skaya Oblast') | E. planum (40708) | |
| Eifelian | Canada (Northwest Territories) | E. sp. (84256) | |
| Givetian | Canada (Northwest Territories) | E. sp. (84242) |