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Indivisiidae

Ostracoda - Palaeocopida - Indivisiidae

Taxonomy
Indivisiidae was named by Egorov (1954).

It was assigned to Barychilinoidea by Jones (2010); and to Kloedenelloidea by Crasquin and Forel (2010), Kolar-Jurkovšek et al. (2024).

Synonymy list
YearName and author
1954Indivisiidae Egorov
2010Indivisiidae Crasquin and Forel p. 338
2010Indivisiidae Jones p. 286
2024Indivisiidae Kolar-Jurkovšek et al. p. 181

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
RankNameAuthor
—Hymenostraca(Rolfe 1969)
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPalaeocopidaHenningsmoen 1953
suborderKloedenellocopinaScott 1961
superfamilyKloedenelloidea(Ulrich and Bassler 1908)
familyIndivisiidaeEgorov 1954
familyIndivisiidaeEgorov 1954

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.

Fm. †Indivisiidae Egorov 1954
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G. †Indivisia
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†Indivisia buekkensis Kozur 1985
†Indivisia pelikani Kozur 1985
†Indivisia symmetrica Kozur 1985
G. †Sulcoindivisia Egorov 1954
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†Sulcoindivisia juresanensis Kotschetkova 1972
Diagnosis
ReferenceDiagnosis
P. J. Jones 2010Assumed barychilinoideans, “Carapace bean-shaped, more or less convex dorsal edge; asymmetry of the outline of the valves is quite distinct; non-sulcate, with one sulcus or pit, or 2 flattened sulci, valves almost symmetrical (equivalved), but RV is larger; sometimes there is a weak thickening of the edge. Carapace of females with internal partition defining the brood chamber. The hinge is formed by a groove in RV and sharp edge on LV.
Measurements
No measurements are available
Composition: low Mg calcitec
Environment: hypersaline, marine, brackish, freshwaterc
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: suspension feedero
Vision: limitedc
Created: 2010-02-06 00:42:06
Modified: 2010-02-23 22:46:12
Source: o = order, c = class
References: Alvarez et al. 2008, Kiessling 2004

Age range: base of the Late/Upper Frasnian to the top of the Griesbachian or 375.20000 to 250.50000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Frasnian375.2 - 372.15Poland (Kostomloty) Indivisia variolata (162211)
Early/Lower Famennian372.15 - 368.5USA (Nevada) Indivisia sp. A (158171)
Asselian298.9 - 293.52Greece Indivisia symmetrica (112051)
Sakmarian293.52 - 290.1Australia (Western Australia) Sulcoindivisia crasquinsoleauella (108218 108227 108230 108233 108241 108242 108249 108276 108277 108282 108283 108290 108292)
Artinskian290.1 - 283.3Canada (British Columbia) Indivisia sp. 1 (106671)
Kungurian283.3 - 274.4Guatemala Sulcoindivisia juresanensis (155568 155569)
Roadian274.4 - 266.9Russian Federation Sulcoindivisia kazanica (197598)
Wuchiapingian259.51 - 254.14Iran Indivisia sp. 1 (155128)
Wuchiapingian259.51 - 254.14Hungary Indivisia pelikani (146207)
Changhsingian254.14 - 251.902China (Zhejiang) Indivisia buekkensis (97896) Indivisia sp. 1 (97920) Indivisia symmetrica (97890 97893)
Changhsingian254.14 - 251.902Iran Indivisia sp. 1 (168911 168916) Indivisia sp. 2 (155147)
Changhsingian254.14 - 251.902Hungary Indivisia buekkensis (61368 146206) Indivisia symmetrica (146208)
Changhsingian254.14 - 251.902Slovenia Indivisia buekkensis (234875)
Changhsingian254.14 - 251.902Serbia Indivisia symmetrica (112046 112049)
Griesbachian251.902 - 250.5Iran Indivisia sp. 1, Indivisia sp. 2 (220260)