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Palmettaspis lidensis

Artiopoda - Redlichiida - Holmiidae

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), Hollingsworth (2006).

Synonymy list
YearName and author
1995Esmeraldina lidensis Fritz p. 716 figs. figs. 5.2, 7.4–7.9
1999Palmettaspis lidensis Lieberman p. 84
2006Palmettaspis lidensis Hollingsworth p. 323 figs. Figure 9.11

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyOlenelloidea
familyHolmiidaeHupé 1953
genusPalmettaspis
specieslidensis()

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
ReferenceDiagnosis
W. H. Fritz 1995Esmeraldina 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.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-21 06:03:46
Modified: 2009-12-21 08:03:46
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004

Age range: Montezuman or 520.00000 to 515.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Montezuman520.0 - 515.3USA (Nevada) Esmeraldina lidensis (type locality: 69466) Palmettaspis lidensis (140505)