PBDB Taxon

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

Cythereis rionegrensis

Ostracoda - Podocopida - Trachyleberididae

Taxonomy

Cythereis rionegrensis was named by Bertels (1975). Its type specimen is FCEN-LM 749, a carapace (Female carapace), and it is a 3D body fossil.

Sister species lacking formal opinion data

C. americana, C. bartensteini, C. bernardi, C. bigrandis, C. buechlerae, C. bursilloides, C. carpenterae, C. catahoulana, C. collei, C. coronata, C. davidwhitei, C. dentonensis, C. elmana, C. elongata, C. exanthamata, C. exanthemata, C. fahrinoni, C. fragillissima, C. garretti, C. gosportensis, C. gueltaensis, C. hawleyi, C. hirsuta, C. horrescens, C. huntensis, C. hysonensis, C. hysonensis, C. implicata, C. ischoppi, C. israelskyi, C. libanensis, C. linospinosa, C. longicostata, C. mahonae, C. malzi, C. martini, C. mersondaviesi, C. nuda, C. ornatissima, C. paupera, C. phoenissa, C. pipkinensis, C. pustulosissima, C. quinquespinosa, C. reklawensis, C. rugipunctata, C. sebastiensis, C. senckenbergi, C. sinuata, C. smithvillensis, C. spinosa, C. splendens, C. subgoodlandensis, C. trinidadensis, C. tuberculata, C. uptonensis, C. variabilocostata, C. vaughani, C. worthensis

Synonymy list

Year	Name and author
1975	Cythereis rionegrensis Bertels pp. 106-107
2024	Cythereis rionegrensis Ceolin et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Gravenhorst 1843
—	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	rionegrensis

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 rionegrensis Bertels 1975

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Diagnosis

Reference	Diagnosis
A. Bertels 1975	Cythereis with tubercles disposed principally in three rows and a slightly developed reticulation on the rest of the surface.

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: Kiessling 2004, Jell and Adrain 2002

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections (5 total)

Time interval	Ma	Country or state	Original ID and collection number
Maastrichtian	72.2 - 66.0	Argentina (Neuquen)	Cythereis rionegrensis (236318)
Maastrichtian	72.2 - 66.0	Argentina (Neuquén)	Cythereis rionegrensis (231995 231997)
Maastrichtian - Danian	72.2 - 61.66	Argentina (Rio Negro)	Cythereis rionegrensis (236599 236601)