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Nevadia fritzi

Trilobita - Redlichiida

Taxonomy
Nevadia fritzi was named by Lieberman (2001). Its type specimen is LACMIP 26887, a cephalon/head, and it is a 3D body fossil. Its type locality is UCLA loc. 6887, Daylight Pass, Grapevine Mountains, which is in a Montezuman marine horizon in the Poleta Formation of California.

Sister species lacking formal opinion data
N. provoconica

Synonymy list
YearName and author
2001Nevadia fritzi Lieberman p. 105 figs. Figure 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyNevadioidea
genusNevadia
speciesfritzi

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.

†Nevadia fritzi Lieberman 2001
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Diagnosis
ReferenceDiagnosis
B. S. Lieberman 2001Anterior cephalic border prominently separated from extraocular area, very short (exsag.), length about one-half length (sag.) of L0; plectrum present; LA (L4) length about 1.1 times length (sag.) of L0; ocular lobes gradually increase dorso- ventral elevation between axial furrows and mid-point of ocular lobes; posterior tips of ocular lobes developed opposite medial part of distal margin of L1; extraocular region broad, width (tr.) opposite L1 more than 150 percent width of glabella at L1; genal spine angle developed opposite medial part of first thoracic seg- ment; medial part of cephalic posterior border between intergenal angle and L0 flexes posteriorly.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Spines: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Created: 2009-06-08 10:26:57
Modified: 2009-06-08 12:26:57
Source: g = genus, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009

Age range: Montezuman or 520.00000 to 515.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Montezuman520.0 - 515.3USA (Nevada) Nevadia fritzi (196142 196172)
Montezuman520.0 - 515.3USA (California) Nevadia fritzi (type locality: 196145 196183 204216)