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Thedusia
Taxonomy
Thedusia was named by Cooper and Grant (1976) [Sepkoski's age data: P Leon-m P Guad-u Sepkoski's reference number: 7].
It was assigned to Spiriferida by Sepkoski (2002); and to Hustediinae by Williams et al. (2002).
It was assigned to Spiriferida by Sepkoski (2002); and to Hustediinae by Williams et al. (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Thedusia Cooper and Grant p. 2806 |
| 2002 | Thedusia Sepkoski |
| 2002 | Thedusia Williams et al. p. 1595 |
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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. †Thedusia Cooper and Grant 1976
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†Thedusia angustata Cooper and Grant 1976
†Thedusia biconvexa Cooper and Grant 1976
†Thedusia bucrenata Cooper and Grant 1976
†Thedusia dischides Cooper and Grant 1976
†Thedusia discissa Cooper and Grant 1976
†Thedusia emarginata Cooper and Grant 1976
†Thedusia latisulcata Yang 1986
†Thedusia magna Cooper and Grant 1976
†Thedusia mesocostata Cooper and Grant 1976
†Thedusia paucicostata Cooper and Grant 1976
†Thedusia procera Cooper and Grant 1976
†Thedusia trigonalis Girty 1909
†Thedusia ventricosa Cooper and Grant 1976
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 187 | 3.00 | 0.700 | 6.50 | 3.10 | 1.33 |
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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 Gzhelian to the top of the Capitanian or 303.70000 to 259.51000 Ma
Collections (93 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | China (Guangxi) | T. latisulcata (134310) | |
| Kungurian | USA (Texas) | T. bucrenata (43494 43510 43515 43516 81638 105843) T. discissa (43589) T. mesocostata (43513 43517) T. sp. (81710) T. sp., T. paucicostata (101785) | |
| Roadian | USA (Texas) | T. dischides (81515 81693 81722 101767 106021) T. mesocostata (43518 81640 101783 101807 101808 102610 102615 102621 105838 106109) T. procera (43548 43551 43553 81645 81650 102614 105592 105726 105887 105932 106123) T. sp. (102616 106159) T. sp., T. mesocostata (43512) | |
| Wordian | USA (Texas) | Hustedia trigonalis (108821) T. angustata, T. trigonalis (106138) T. dischides (81636 81695 81707 81941 105573) T. emarginata, T. trigonalis, T. ventricosa (105902 106244) T. magna, T. trigonalis, T. ventricosa (102619) T. procera (43550 43557 105683 105821 105977) T. sp., T. ventricosa (81586) T. trigonalis (81619 105896) T. trigonalis, T. ventricosa (81939 81940 101867 106108 106139 106245 106299) | |
| Capitanian | Mexico (Coahuila) | T. ventricosa (200252) | |
| Capitanian | USA (Texas) | Hustedia trigonalis (108801 108812) T. angustata, T. trigonalis, T. ventricosa (106249) T. biconvexa, T. trigonalis, T. ventricosa (102618) T. emarginata, T. trigonalis (101809) T. emarginata, T. ventricosa (81697) T. trigonalis (81517 81591 81613 81631 81706 105903 106248) T. trigonalis, T. ventricosa (81618 81623 81632 105895 105993 106243) T. ventricosa (81600 81609 81615 81621 81624 81625 81626) |