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Calymene frontosa

Trilobita - Phacopida - Calymenidae

Taxonomy
Calymene frontosa was named by Lindström (1885). Its type specimen is RM Ar6210 [lectotype selected by Clarkson and Howells 1981], an exoskeleton, and it is a 3D body fossil.

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

Synonymy list
YearName and author
1885Calymene frontosa Lindström

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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
speciesfrontosaLindström 1885

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 frontosa Lindström 1885
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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: Hendy 2009, Harrington et al. 1959, Aberhan et al. 2004

Age range: base of the Telychian to the top of the Wenlock or 438.60000 to 426.70000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9Ukraine Calymene frontosa (23343)
Llandovery443.1 - 432.9Canada (Northwest Territories) Calymene frontosa (26031)
Llandovery - Wenlock443.1 - 426.7Ukraine Calymene frontosa (23363)
Llandovery - Wenlock443.1 - 426.7United Kingdom (England) Calymene frontosa (23089)
Adavere438.8 - 433.5Lithuania Calymene frontosa (193134)
Adavere438.8 - 433.5Latvia Calymene frontosa (193133)
Adavere438.8 - 433.5Estonia (Saare) Calymene frontosa (193130 193131)
Adavere438.8 - 433.5Estonia Calymene frontosa (13723 193132 195607)
Telychian438.6 - 432.9United Kingdom (Scotland) Calymene frontosa (23308 188542 188545)
Wenlock432.9 - 426.7United Kingdom (Scotland) Calymene frontosa (188540)