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Acuticarpus
Taxonomy
Acuticarpus was named by Sumrall et al. (1997) [Sepkoski's age data: Cm Fran].
It was assigned to Cothurnocystidae by Sumrall et al. (1997); and to Cornuta by Sepkoski (2002).
It was assigned to Cothurnocystidae by Sumrall et al. (1997); and to Cornuta by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Acuticarpus Sumrall et al. p. 1093 |
| 2002 | Acuticarpus 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. †Acuticarpus Sumrall et al. 1997
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†Acuticarpus delticus Sumrall et al. 1997
†Acuticarpus republicensis Sumrall et al. 1997
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. D. Sumrall et al. 1997 | Cothurnocystid with triangular outline, anterior end of theca with slight concavity, M' series with a wide flange on the outer edge of marginals, lacking spines on outer margin. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Steptoean or 497.00000 to 493.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Steptoean | USA (Wyoming) | A. republicensis (9516) | |
| Franconian | USA (Wyoming) | A. delticus (9788) |