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Calyptraphorus terrysmithae
Taxonomy
Calyptraphorus terrysmithae was named by Perrilliat (2013). Its type specimen is IGM 4393 and is a 3D body fossil. Its type locality is Purdue University loc. 1305, Mesa San Carlos, which is in a Thanetian shallow subtidal shale/sandstone in the Sepultura Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Calyptraphorus terrysmithae Perrilliat p. 141 figs. Fig. 5.14-19 |
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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.
†Calyptraphorus terrysmithae Perrilliat 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. d. C. Perrilliat 2013 | Shell large-sized. First whorls with fine spirallines. Left flank bearing thin, sharp and continuous longitu-dinal flange that extends from the first whorl to the middleportion of the last whorl; right flank exhibits a prominentrounded longitudinal rib, that extends from the aperture tothe first whorl. |
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Thanetian or 59.20000 to 56.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thanetian | Mexico (Baja California) | Calyptraphorus terrysmithae (type locality: 205349) | |
| Thanetian | Mexico (Baja) | Calyptraphorus terrysmithae (176456) |