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Calymene polgari

Trilobita - Phacopida - Calymenidae

Taxonomy
Calymene polgari was named by Siveter and Chatterton (1996) [Calymene (s.l.)]. Its type specimen is UA 8324, a cephalon/head (cranidium), and it is a cast. Its type locality is Fauna j, Section AV1, Delorme Fm., Mackenzie Mts., which is in a Whitwellian slope limestone/shale in the Delorme Formation of Canada.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1996Calymene polgari Siveter and Chatterton p. 53 figs. Pl. 3, fig. 1, 4, 15, `8

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
subfamilyCalymeninaeMilne Edwards 1840
genusCalymeneBrongniart 1822
speciespolgari

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.

Calymene polgari Siveter and Chatterton 1996
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobilef
Life habit: nektobenthicf
Diet: carnivoref
Vision: well-developedf
Created: 2009-06-09 12:06:43
Modified: 2009-06-09 14:06:43
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Harrington et al. 1959

Age range: base of the Whitwellian to the top of the Wenlock or 430.50000 to 427.40000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Wenlock433.4 - 427.4Canada (Northwest Territories) Calymene polgari (26059 26077)
Whitwellian430.5 - 425.4Canada (Northwest Territories) Calymene polgari (type locality: 26035 26042 26048 26058)