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Calymene barnesi

Trilobita - Phacopida - Calymenidae

Taxonomy
Calymene barnesi was named by Chatterton and Ludvigsen (2004). Its type specimen is GSC 122369, an exoskeleton, and it is a 3D body fossil. Its type locality is AN22, which is in a Rhuddanian open shallow subtidal limestone in the Becscie Formation of Canada.

Sister species lacking formal opinion data
C. interjecta, C. lata, C. reperta, C. replicata, C. tentaculata, C. teddersensis

Synonymy list
YearName and author
2004Calymene barnesi Chatterton and Ludvigsen p. 49 figs. Pl. 43, fig. 1-2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
subfamilyCalymeninaeMilne Edwards 1840
genusCalymeneBrongniart 1822
speciesbarnesi

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 barnesi Chatterton and Ludvigsen 2004
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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, Harrington et al. 1959, Hendy 2009

Age range: Rhuddanian or 443.40000 to 440.80000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Rhuddanian443.4 - 440.8Canada (Quebec) Calymene barnesi (184362 184363 184364 184366 184369 184371 184374 184375 184376 184377 184378 184379 184380 184386 184388 184397 184400 184401 184403 184411 184413 184997 type locality: 185536 185539 187771)