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Hustedia opsia
Taxonomy
Hustedia opsia was named by Cooper and Grant (1976). Its type specimen is USNM 154467b, 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 opsia Cooper and Grant p. 2789 figs. Pl 738, figs 1-23 |
| 2019 | Hustedia opsia Torres-MartÃnez et al. p. 50 figs. 4.25-4.27 |
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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 opsia Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 32 | 4.93 | 2.00 | 9.10 | 5.72 | 2.03 |
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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 (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Hustedia opsia (81586 81619 81628 102619 105900 106245) | |
| Capitanian | USA (Texas) | Hustedia meekana (108812) Hustedia opsia (81517 81589 81590 81591 81593 81600 81609 81615 81625 81626 81632 81698 81960 101798 101809 102624 105904 106242 106243) | |
| Capitanian | USA (New Mexico) | Hustedia opsia (81620 81629 102622 102629 105989) | |
| Capitanian | Mexico (Coahuila) | Hustedia opsia (200253 200254) |