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Palmettaspis lidensis
Taxonomy
Esmeraldina lidensis was named by Fritz (1995). Its type specimen is USNM 476020, a cephalon/head, and it is a 3D body fossil. Its type locality is UNSM "Green" Locality 1f, which is in a Montezuman marine siltstone in the Campito Formation of Nevada.
It was recombined as Palmettaspis lidensis by Lieberman (1999) and Hollingsworth (2006).
It was recombined as Palmettaspis lidensis by Lieberman (1999) and Hollingsworth (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Esmeraldina lidensis Fritz p. 716 figs. figs. 5.2, 7.4–7.9 |
| 1999 | Palmettaspis lidensis Lieberman p. 84 |
| 2006 | Palmettaspis lidensis Hollingsworth p. 323 figs. Figure 9.11 |
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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.
†Palmettaspis lidensis Fritz 1995
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. H. Fritz 1995 | Esmeraldina species with short (sag.) anterior glabellar lobe that does not reach anterior border furrow. Pos terior margin of occipital lobe inclined back to broad apex from which narrow spine protrudes. Ocular lobe terminates opposite intersection of axial and occipital furrow. Surface of cephalon smooth. |