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Schellwienella umbonata
Taxonomy
Schellwienella umbonata was named by Easton et al. (1958). Its type specimen is USNM 127918a and is a 3D body fossil. Its type locality is Hill, 2.2 km WNW of Bisani, which is in a Kinderhookian/Osagean shallow subtidal limestone/chert in the Represo Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Schellwienella umbonata Easton et al. pp. 48 - 49 figs. Plate 4,C, figures 15-21 |
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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.
†Schellwienella umbonata Easton et al. 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Kinderhookian to the top of the Osagean or 358.90000 to 343.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kinderhookian - Osagean | Mexico (Sonora) | Schellwienella umbonata (type locality: 5616) |