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Placidea lutkevichi

Ostracoda - Palaeocopida - Placideidae

Taxonomy
Amphissites lutkevichi was named by Spitzharsky (1939). It is the type species of Placidea.

It was recombined as Placidea lutkevichi by Schneider (1956), Crasquin-Soleau (1997).

Synonymy list
YearName and author
1939Amphissites lutkevichi Spitzharsky
1956Placidea lutkevichi Schneider p. 96 figs. Pl 20, figs 3, 4; text-fig 18
1997Placidea lutkevichi Crasquin-Soleau p. 54

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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
suborderBeyrichicopinaScott 1961
superfamilyKirkbyoidea(Ulrich and Bassler 1906)
familyPlacideidae
genusPlacidea
specieslutkevichi(Spitzharsky 1939)

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.

†Placidea lutkevichi Spitzharsky 1939
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height20.4490.3200.6300.4750.219
valve height20.6040.4800.7600.6200.198

Composition: low Mg calcitec
Environment: freshwaterg
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: suspension feedero
Vision: limitedc
Created: 2023-04-21 12:05:41
Modified: 2023-04-21 12:05:41
Source: g = genus, o = order, c = class
References: Kiessling 2004, Crasquin-Soleau 2003, Alvarez et al. 2008

Age range: base of the Sakmarian to the top of the Vyatkian or 293.52000 to 256.80000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Sakmarian293.52 - 290.1Canada (British Columbia) Placidea lutkevichi (106669)
Wordian266.9 - 264.28Russian Federation Placidea lutkevichi (132367)
Late/Upper Severodvinian - Vyatkian264.28 - 256.8Russian Federation (Vologda) Placidea lutkevichi (187939)