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Spergenaspis salemi
Taxonomy
Spergenaspis salemi was named by Brezinski (1987). Its type specimen is CMNH 3443, a cephalon/head, and it is a 3D body fossil. Its type locality is Railroad cut near Spergen Hill, which is in a Meramecian carbonate limestone in the Salem Formation of Indiana. It is the type species of Spergenaspis.
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Spergenaspis salemi Brezinski pp. 248 - 249 figs. 2A-I, M |
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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.
†Spergenaspis salemi Brezinski 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Fortey and Owens 1999, Aberhan et al. 2004 | |||||
Age range: Meramecian or 343.00000 to 335.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Meramecian | USA (Indiana) | Spergenaspis salemi (type locality: 229175) |