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Crassifimbra
Taxonomy
Crassifimbra was named by Lochman (1947) [Sepkoski's age data: Cm Tojo-u Sepkoski's reference number: 487,885].
It was assigned to Antagmidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Antagmidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Crassifimbra Lochman p. 71 figs. Figures 1 - 3 |
| 2002 | Crassifimbra Jell and Adrain p. 361 |
| 2002 | Crassifimbra 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. †Crassifimbra Lochman 1947
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†Crassifimbra columnaris Yang et al. 1993
†Crassifimbra walcotti Resser 1937
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 Dyeran to the top of the Taijangian or 515.30000 to 504.50000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | Canada (British Columbia) | C. sp. (186) | |
| Dyeran | USA (Nevada) | C. sp. (10568) C. walcotti (69266 155976) | |
| Taijangian | China (Henan) | C. columnaris (127072) |