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Proehmaniella

Artiopoda - Ptychopariida - Alokistocaridae

Taxonomy
Proehmaniella was named by Sundberg (1994) [Sepkoski's age data: Cm mMid-u Sepkoski's reference number: 1089]. Its type is Ehmaniella basilica.

It was assigned to Ehmaniellinae by Sundberg (1994); to Ptychopariida by Sepkoski (2002); and to Alokistocaridae by Jell and Adrain (2002).

Synonymy list
YearName and author
1994Proehmaniella Sundberg p. 73
2002Proehmaniella Jell and Adrain p. 465
2002Proehmaniella Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
subfamilyEhmaniellinae
genusProehmaniella

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. †Proehmaniella Sundberg 1994
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Proehmaniella basilica Resser 1945
Proehmaniella eldoradensa Sundberg 1994
Proehmaniella granulosa Sundberg 1994
Proehmaniella hebes Resser 1945
Diagnosis
ReferenceDiagnosis
F. A. Sundberg 1994Ehmaniellinae with subrectangu- lar cranidium with divergent facial suture anterior of palpebral lobes; short to moderate length pal- pebral lobes (25-40% glabellar length); well-defined anterior border, narrow (5-10% cranidial length), slightly to very slightly tapered; preglabellar field sagittally wide (55-75% frontal area length); mod- erately to strongly tapered glabella, rounded frontal lobe; exsagittally wide posterior area of fixigenae (35-50% glabellar length). Pygidium alate with blunt axis, 2-3 axial rings; shallow depth pleural furrows; weakly to moderately convex posterior pleural bands; weak anterior pleural bands.
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: Aberhan et al. 2004, Hendy 2009

Age range: base of the Middle Cambrian to the top of the Menevian or 506.50000 to 499.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Delamaran509.7 - 505.3USA (Nevada) P. hebes (134118 134119 134120 134121)
Middle Cambrian506.5 - 497.0USA (Utah) P. sp. (64532)
Menevian504.5 - 499.5USA (Utah) P. basilica (10532)