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Elrathia idahoensis

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Elrathia idahoensis was named by Resser (1938). It is not extant. Its type specimen is USNM 95034. Its type locality is Locality 37n (Pend Oreille Lake), which is in a Cambrian carbonate limestone/shale in the Lakeview Formation of Idaho.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1938Elrathia idahoensis Resser p. 8 figs. Pl. 1, figs. 36-40

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
genusElrathiaWalcott 1924
speciesidahoensis

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 idahoensis 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: Hendy 2009, Caron and Jackson 2008, Aberhan et al. 2004

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 idahoensis (type locality: 127486)