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Ehmania

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Ehmania was named by Resser (1935) [Sepkoski's age data: Cm mMid-u]. Its type is Ehmania weedi.

It was assigned to Alokistocaridae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).

Species

Synonymy list
YearName and author
1935Ehmania Resser pp. 24 - 25
2002Ehmania Jell and Adrain p. 465
2002Ehmania Sepkoski

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

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.

G. †Ehmania Resser 1935
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Ehmania gallatinensis Meek 1873
Ehmania smithi Walcott 1911
Ehmania walcotti Resser 1935
Ehmania weedi Resser 1935
Diagnosis
No diagnoses are available
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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 14:35:35
Modified: 2009-12-19 05:47:01
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Middle Cambrian to the top of the Marjumian or 509.00000 to 497.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5USA (Montana) E. sp. (64605)
Middle Cambrian509.0 - 497.0Canada (Newfoundland) E. borealis (196377)
Marjumian504.5 - 497.0Canada (Newfoundland) E. borealis (195764 195765)