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Heteralosia paucispinosa
Taxonomy
Heteralosia paucispinosa was named by Cooper and Grant (1975). Its type specimen is USNM 154129c, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Heteralosia paucispinosa Cooper and Grant pp. 799-800 figs. Pl 193, figs 26,27; pl 196, figs 1-42 |
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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.
†Heteralosia paucispinosa Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 3.83 | 3.50 | 4.20 | 3.85 | 0.495 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, 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 (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Heteralosia paucispinosa (101867 102619 106244 106245) | |
| Capitanian | USA (Texas) | Heteralosia paucispinosa (81609 81621 106243 106249) |