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Basslerella firma

Ostracoda - Podocopida - Cytherideidae

Taxonomy
Basslerella firma was named by Kellett (1935). Its type specimen is USNM 90125 and is a 3D body fossil. Its type locality is Upstream of Cottonwood River Bridge, Elmdale, which is in a Gzhelian shallow subtidal shale in the Elmdale Formation of Kansas.

Sister species lacking formal opinion data
B. angulata, B. quasicrassa, B. regularis, B. saumica, B. suavis

Synonymy list
YearName and author
1935Basslerella firma Kellett p. 156 figs. Pl 17, figs 5a-g
1987Basslerella firma Shi and Chen p. 54 figs. Pl 13, figs 12-17
2005Basslerella firma Yan et al. p. 253 figs. Pl 2, figs 7-10

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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
orderPodocopidaSars 1866
suborderSigilliocopinaMartens 1992
superfamilyCytheroidea(Baird 1850)
familyCytherideidaeSars 1925
genusBasslerella
speciesfirma

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.

†Basslerella firma Kellett 1935
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
carapace height50.2700.2200.3100.2800.037
valve height10.320----

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 Gzhelian to the top of the Changhsingian or 303.70000 to 251.90200 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9USA (Kansas) Basslerella firma (95377 type locality: 132990 132991 133137 133138 133149 133158)
Sakmarian293.52 - 290.1USA (Kansas) Basslerella firma (93781)
Sakmarian293.52 - 290.1China (Zhejiang) Basslerella firma (120907 120908)
Artinskian290.1 - 283.3China (Fujian) Basslerella firma (95698 95700 95702)
Artinskian290.1 - 283.3USA (Kansas) Basslerella firma (110316)
Kungurian283.3 - 274.4China (Fujian) Basslerella firma (95704 95705 95706 95709 95710)
Changhsingian254.14 - 251.902China (Fujian) Basslerella firma (121228 121229 121288 121290 121292)