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Thedusia ventricosa
Taxonomy
Thedusia ventricosa was named by Cooper and Grant (1976). Its type specimen is USNM 154503, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Thedusia ventricosa Cooper and Grant p. 2817 figs. Pl 744, figs 45-56; pl 745, figs 52-56 |
| 2019 | Thedusia ventricosa Torres-MartÃnez et al. p. 50 figs. 4.30, 5.1 |
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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.
†Thedusia ventricosa Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 4.24 | 3.10 | 5.00 | 4.80 | 0.868 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Thedusia ventricosa (81586 81939 81940 101867 102619 105902 106108 106139 106244 106245 106299) | |
| Capitanian | Mexico (Coahuila) | Thedusia ventricosa (200252) | |
| Capitanian | USA (Texas) | Thedusia ventricosa (81600 81609 81615 81618 81621 81623 81624 81625 81626 81632 81697 102618 105895 105993 106243 106249) |