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Elrathiella intermedia

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Elrathiella intermedia was named by Sundberg (1994). Its type specimen is LACMIP 11840, a cephalon/head, and it is a 3D body fossil.

Synonymy list
YearName and author
1994Elrathiella intermedia Sundberg pp. 69 - 71 figs. Figure 42

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
subfamilyEhmaniellinae
genusElrathiellaPoulson 1927
speciesintermedia

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.

Elrathiella intermedia Sundberg 1994
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Diagnosis
ReferenceDiagnosis
F. A. Sundberg 1994Elrathiella? with cranidium with elongated glabella (70-75% cranidial length), mod- erately tapered, moderately rounded frontal lobe; anterior border flat, moderately wide (55-65% frontal area length) evenly curved, very slightly ta- pered; shallow anterior border furrow; moderately wide fixigenae (50-55% glabellar width); fine granular ornamentation. Pygidium subelliptical, smooth; weakly developed anterior pleural bands.
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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-02-26 11:53:08
Modified: 2009-02-26 13:53:08
Source: g = genus, f = family, c = class
References: Hendy 2009, Aberhan et al. 2004
Collections
No collection or age range data are available