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Craspedona newelli
Taxonomy
Craspedona newelli was named by Cooper and Grant (1975). Its type specimen is USNM 154172a, a shell (Articulated shell), and it is not a trace fossil. It is the type species of Craspedona.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Craspedona newelli Cooper and Grant pp. 882-883 figs. Pl 254, figs 1-27 |
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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.
†Craspedona newelli Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 6.97 | 6.40 | 8.00 | 6.80 | 0.712 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Craspedona newelli (81693) | |
| Wordian | USA (Texas) | Craspedona newelli (81619 81939 101867 102619 105896 106108 106139 106244 106245 106299) | |
| Capitanian | USA (Texas) | Craspedona newelli (81623 81706 105894 105895 106243 106246 106248 106249) |