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Elrathia sampsoni

Artiopoda - Ptychopariida - Alokistocaridae

Taxonomy
Elrathia sampsoni was named by Resser (1938). It is not extant. Its type specimen is USNM 95035. Its type locality is Locality 37m, shale beds (Pend Oreille Lake), which is in a Cambrian carbonate shale/limestone in the Rennie Shale Formation of Idaho.

Synonymy list
YearName and author
1938Elrathia sampsoni Resser p. 8 figs. Pl. 1, figs. 31, 35, 58

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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
familyAlokistocaridaeResser 1939
genusElrathiaWalcott 1924
speciessampsoni

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.

Elrathia sampsoni Resser 1938
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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
Ribbing: noneg
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingg
Life habit: epifaunalg
Diet: detritivoreg
Vision: well-developedf
Created: 2008-10-19 08:19:11
Modified: 2009-10-08 00:44:56
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Caron and Jackson 2008

Age range: Middle Cambrian or 506.50000 to 497.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Cambrian506.5 - 497.0USA (Idaho) Elrathia sampsoni (type locality: 127485)