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Ehmaniella fronsplanata concava

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Ehmaniella fronsplanata concava was named by Sundberg (1994). Its type specimen is LACMIP 11799, a cephalon/head, and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1994Ehmaniella fronsplanata concava Sundberg pp. 58 - 60 figs. Figure 36

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
genusEhmaniellaResser 1937
speciesfronsplanata
subspeciesconcava

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.

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Diagnosis
ReferenceDiagnosis
F. A. Sundberg 1994Ehmaniella fronsplanata with cranidium with moderately concave anterior border, elongate medial swelling on anterior border, fine granular ornamentation
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingg
Life habit: epifaunalg
Diet: detritivoreg
Vision: well-developedf
Created: 2008-10-19 08:19:00
Modified: 2009-10-08 00:46:56
Source: g = genus, f = family, c = class
References: Hendy 2009, Caron and Jackson 2008, Aberhan et al. 2004

Age range: Delamaran or 511.20000 to 506.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5USA (Nevada) Ehmaniella fronsplanata (134122)