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Hustedia demissa
Taxonomy
Hustedia demissa was named by Cooper and Grant (1976). Its type specimen is USNM 153221b, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Hustedia demissa Cooper and Grant p. 2779 figs. Pl 735, figs 69-86 |
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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.
†Hustedia demissa Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 5.90 | 4.80 | 6.70 | 6.40 | 1.02 |
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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 (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Hustedia demissa (81586 81940 101867 102619 105902 106108 106245) | |
| Capitanian | USA (Texas) | Hustedia demissa (81623 81626 81632 105894 105895 106243 106249) |