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Cytheridea grigsbyi

Ostracoda - Podocopida - Cytherideidae

Taxonomy
Cytheridea grigsbyi was named by Howe and Chambers (1935). It is a 3D body fossil. Its type locality is Wooleys bluff, a bluff on Caney creek, which is in an Eocene marginal marine horizon in Louisiana.

It was recombined as Cytheridea (Clithrocytheridea) grigsbyi by Stephenson (1936).

Subspecies
C. vicksburgensis
Sister species lacking formal opinion data
C. neapolitana, C. rotundus, C. rudia, C. habropapillosa, C. subpyriformis, C. compressa

Synonymy list
YearName and author
1935Cytheridea grigsbyi Howe and Chambers p. 15 figs. Plate I, figure 2,3; Plate II, figure 8,10,17,18; Plate VI, figure 1
1936Cytheridea (Clithrocytheridea) grigsbyi Stephenson p. 703 figs. Plate 94, figure 8; Text-figures Ic, d, i

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
RankNameAuthor
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPodocopidaSars 1866
suborderSigilliocopinaMartens 1992
superfamilyCytheroidea(Baird 1850)
familyCytherideidaeSars 1925
subfamilyCytherideinaeSars 1925
tribeCytherideiniKollmann 1958
genusCytherideaBosquet 1852
speciesgrigsbyi

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.

†Cytheridea grigsbyi Howe and Chambers 1935
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Environment: marine, brackish, freshwaterf
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: detritivoreo
Diet 2: grazero
Vision: limitedc
Created: 2017-04-17 10:09:10
Modified: 2017-04-17 10:09:30
Source: f = family, o = order, c = class
References: Jell and Adrain 2002, Bush and Bambach 2015, Kiessling 2004

Age range: base of the Bartonian to the top of the Rupelian or 41.03000 to 27.30000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Eocene56.0 - 33.9USA (Louisiana) Cytheridea grigsbyi (191908 type locality: 191911 191913 191914 191935)
Eocene56.0 - 33.9USA (Mississippi) Cytheridea grigsbyi (191999 192006)
Bartonian41.03 - 37.71USA (Mississippi) Cytheridea grigsbyi (3531)
Bartonian41.03 - 37.71USA (Louisiana) Cytheridea grigsbyi (191922)
Bartonian41.03 - 37.71USA (Alabama) Clithrocytheridea grigsbyi (94040)
Priabonian37.71 - 33.9USA (Alabama) Clithrocytheridea grigsbyi (94153 94154 94155 94156 94157)
Rupelian33.9 - 27.3USA (Mississippi) Cytheridea grigsbyi (87171)
Oligocene33.9 - 23.04USA (Alabama) Cytheridea grigsbyi (191978)