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Inglefieldia imperfecta
Taxonomy
Inglefieldia imperfecta was named by Lochman (1952). Its type specimen is U.S.N.M. No.115966;, an exoskeleton, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Inglefieldia imperfecta Lochman pp. 148-150 figs. 1-10 |
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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.
†Inglefieldia imperfecta Lochman 1952
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Lochman 1952 | Of the described species of Inglefieldia it appears to be closest to I. discreta Poulsen, as in that species the brim and border are practically the same width, but the brim is descending, where as in I. imperfecta Lochman, new species, it appears to have been normally horizontal in position. The poor preservation of all the specimens makes it difficult to be sure about certain features of the carapace as indicated in the description. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Delamaran or 509.70000 to 505.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | Mexico | Inglefieldia imperfecta (10688) | |
| Delamaran - Menevian | Mexico | Inglefieldia imperfecta (10687) |