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Ehmaniellinae

Trilobita - Ptychopariida - Alokistocaridae

Synonymy list
YearName and author
1994Ehmaniellinae Sundberg p. 53

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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
subfamilyEhmaniellinae
subfamilyEhmaniellinae

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.

Subfm. †Ehmaniellinae Sundberg 1994
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G. †Elrathiella Poulson 1927
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Elrathiella decora Resser 1945
Elrathiella domensa Sundberg 1994
Elrathiella dugwayensa Sundberg 1994
Elrathiella euthyopsis Sundberg 1994
Elrathiella intermedia Sundberg 1994
Elrathiella rectangularia Sundberg 1994
Invalid names: Coelaspis Deiss 1939 [synonym]
G. †Proehmaniella Sundberg 1994
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Proehmaniella basilica Resser 1945
Proehmaniella eldoradensa Sundberg 1994
Proehmaniella granulosa Sundberg 1994
Proehmaniella hebes Resser 1945
G. †Pseudomexicella Sundberg 1994
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Pseudomexicella hestia Sundberg 1994
G. †Trachycheilus Resser 1945
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Trachycheilus granulosus Sundberg 1994
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 St Davids to the top of the Menevian or 506.50000 to 499.50000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 486.85USA (Georgia) Elrathiella buttsi (164675)
Cambrian538.8 - 486.85Argentina (San Juan ) Elrathiella sp. (200108)
Duyunian - Taijangian514.5 - 504.5China (Guizhou) Elrathiella kailiensis (107157)
Delamaran509.7 - 505.3USA (Utah) Elrathiella dugwayensa, Trachycheilus whirlwindensis (133728) Trachycheilus granulosus (133725) Trachycheilus whirlwindensis (133727)
Delamaran509.7 - 505.3USA (Nevada) Proehmaniella hebes (134118 134119 134120 134121) Trachycheilus whirlwindensis (134244 134254)
Templetonian508.0 - 504.5USA (Nevada) Elrathiella euthyopsis, Trachycheilus granulosus (225254 225255)
Middle Cambrian506.5 - 497.0USA (Utah) Proehmaniella sp. (64532)
Middle Cambrian506.5 - 497.0Canada (Northwest Territories) Elrathiella sp. (88790)
St Davids506.5 - 497.0USA (Montana) Elrathiella sp. (212)
Menevian504.5 - 499.5USA (Utah) Trachycheilus sp., Proehmaniella basilica (10532)