PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Cythereis gibsonensis

Ostracoda - Podocopida - Trachyleberididae

Taxonomy

Cythereis gibsonensis was named by Howe and Chambers (1935). It is a 3D body fossil. Its type locality is Gibson landing on the Ouachita River, Caldwell Parish, which is in an Eocene marginal marine horizon in Louisiana.

Sister species lacking formal opinion data

C. bartensteini, C. bernardi, C. bigrandis, C. buechlerae, C. coronata, C. elongata, C. fragillissima, C. garretti, C. gosportensis, C. gueltaensis, C. implicata, C. israelskyi, C. linospinosa, C. longicostata, C. malzi, C. phoenissa, C. quinquespinosa, C. reklawensis, C. sebastiensis, C. sinuata, C. smithvillensis, C. spinosa, C. splendens, C. subgoodlandensis, C. trinidadensis, C. uptonensis, C. variabilocostata

Synonymy list

Year	Name and author
1935	Cythereis gibsonensis Howe and Chambers p. 29 figs. Plate I, figure 22; Plate VI, figure 21,22

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997
—	Hymenostraca	(Rolfe 1969)

Rank	Name	Author
superclass	Oligostraca	Zrzavý et al. 1997
class	Ostracoda
subclass	Podocopa	Sars 1865
order	Podocopida	Sars 1866
suborder	Sigilliocopina	Martens 1992
superfamily	Cytheroidea	(Baird 1850)
family	Trachyleberididae	Sylvester-Bradley 1948
subfamily	Trachyleberidinae	Bradley 1948
genus	Cythereis	Jones 1849
species	gibsonensis

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.

†Cythereis gibsonensis Howe and Chambers 1935

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitec

Environment:

hypersaline, marine, brackish, freshwaterc

Locomotion:

actively mobilec

Life habit:

epifaunalo

Diet:

detritivoreo

Diet 2:

grazero

Vision:

limitedc

Created:

2010-02-05 02:00:00

Modified:

2010-02-23 23:16:56

Source: o = order, c = class

References: Jell and Adrain 2002, Kiessling 2004

Age range: base of the Bartonian to the top of the Oligocene or 41.03000 to 23.04000 Ma

Collections (10 total)

Time interval	Ma	Country or state	Original ID and collection number
Eocene	56.0 - 33.9	USA (Louisiana)	Cythereis gibsonensis (191911 191912 type locality: 191913 191914 191923 191935)
Eocene	56.0 - 33.9	USA (Mississippi)	Cythereis gibsonensis (191999 192006)
Bartonian	41.03 - 37.71	USA (Louisiana)	Cythereis gibsonensis (191922)
Oligocene	33.9 - 23.04	USA (Alabama)	Cythereis gibsonensis (191979)