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Trilobita - Phacopida - Cheiruridae

Pilekia was named by Barton (1915). Its type is Cheirurus apollo.

It was assigned to Phacopida by Sepkoski (2002); to Pilekiidae by Jell and Adrain (2002) and Fortey and Bruton (2013); and to Pilekiinae by Perez-Peris et al. (2021).


Synonymy list
YearName and author
1915Pilekia Barton
2002Pilekia Jell and Adrain p. 425
2002Pilekia Sepkoski
2013Pilekia Fortey and Bruton
2021Pilekia Perez-Peris et al. p. 859

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyPilekiinae(Sdzuy 1955)
genusPilekiaBarton 1915

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.

G. †Pilekia Barton 1915
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Pilekia apollo Billings 1860
Pilekia trio Hintze 1953
No diagnoses are available
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedf
Created: 2009-12-15 23:31:45
Modified: 2009-12-16 01:31:45
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy 2009

Age range: base of the Tulean to the top of the Blackhillsian or 480.80000 to 470.00000 Ma

Collections (10 total)

Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Czech Republic P. sp. (3782)
Tremadoc486.5 - 477.7Canada (Newfoundland and Labrador) P. sp. (78091)
Stairsian485.4 - 478.6Norway (Spitsbergen) P. trio (189833)
Stairsian485.4 - 478.6USA (Utah) P. trio (104094 192724)
Stairsian485.4 - 478.6USA (Idaho) P. sp. (103809)
Lancefieldian484.3 - 474.9Australia (Tasmania) P. sp. nov. (165771)
Lancefieldian484.3 - 474.9Australia (Victoria) P. sp. (165725)
Tulean480.8 - 474.9USA (Utah) P. sp. (104077)
Blackhillsian474.9 - 470.0USA (Nevada) P. sp. (104354)