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Plagiura extensa

Artiopoda - Ptychopariida - Ptychopariidae

Taxonomy
Plagiura extensa was named by Palmer and Halley (1979). It is a 3D body fossil. Its type locality is Groom Range, Carrara Fm, Red Pass Limestone Mbr. (USGS 3691-CO), which is in a Delamaran shallow subtidal lime mudstone in the Carrara Formation of Nevada.

Synonymy list
YearName and author
1979Plagiura extensa Palmer and Halley p. 113 figs. Pl. 6, figs. 17-20, 23
2003Plagiura extensa Sundberg and McCollum p. 353 figs. Figure 18.1-18.6, 18.8-18.10

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusPlagiura
speciesextensa

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.

Plagiura extensa Palmer and Halley 1979
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Diagnosis
No diagnoses are available
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
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-09 21:26:05
Modified: 2009-06-09 23:26:05
Source: g = genus, f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the St Davids to the top of the Delamaran or 506.50000 to 505.30000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Delamaran509.7 - 505.3USA (Nevada) Plagiura extensa (149562 type locality: 149563)
St Davids506.5 - 497.0USA (Nevada) Plagiura extensa (50098 50099 50100 50102 50103 50106 50110 50111 50112 50115 50297 50298 50299 50326 50333 50337)