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Diacalymene

Trilobita - Phacopida - Calymenidae

Taxonomy
Diacalymene was named by Kegel (1927).

It was assigned to Calymenidae by Shirley (1936); to Calymeninae by Adrain and Edgecombe (1997); and to Phacopida by Sepkoski (2002).

Species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1927Diacalymene Kegel
1936Diacalymene Shirley p. 396
1997Diacalymene Adrain and Edgecombe p. 657
1998Dekalymene Curtis and Lane
2002Dekalymene Jell and Adrain p. 364
2002Diacalymene Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
subfamilyCalymeninaeMilne Edwards 1840
genusDiacalymeneKegel 1927

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. †Diacalymene Kegel 1927
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Diacalymene consimilis Schuchert and Cooper 1930
Diacalymene gabrielsi Siveter and Chatterton 1996
Diacalymene lesperancei Chatterton and Ludvigsen 2004
Diacalymene schucherti Twenhofel 1928
Invalid names: Dekalymene Curtis and Lane 1998 [synonym]
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
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-09 21:07:10
Modified: 2009-06-09 23:07:10
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Pusgillian to the top of the Whitwellian or 449.50000 to 425.40000 Ma

Collections (80 total)


Time interval Ma Country or state Original ID and collection number
Edenian - Gamachian451.0 - 443.7Canada (Quebec) Calymene consimilis (37791 37792 37793 37800)
Richmondian - Gamachian449.6 - 443.7Canada (Quebec) Calymene consimilis (37469 37790)
Pusgillian449.5 - 449.2United Kingdom (England) D. marginata (42638 43777)
Ashgill449.5 - 443.7Canada (Quebec) D. consimilis (13130 13131 76075)
Ashgill449.5 - 443.7Canada (Québec) D. consimilis (24528)
Hirnantian - Aeronian445.2 - 438.5Norway D. sp. (14292)
Rhuddanian443.4 - 440.8United Kingdom (Wales) Calymene crassa (3479) Dekalymene crassa (50261 50262 50263 50281) D. sp. (8409)
Rhuddanian - Aeronian443.4 - 438.5United Kingdom (Wales) Calymene crassa (3496 3498 3499 3501 3502)
Llandovery443.4 - 433.4Canada (Quebec) D. consimilis (11407) D. sp. (11321 11385 11422 13133)
Llandovery443.4 - 433.4United Kingdom (Wales) D. sp. (3207)
Raikkula440.8 - 438.8Estonia (Pärnu) D. sp. (193144)
Aeronian440.8 - 438.5Canada (Québec) D. schucherti (24416 24418)
Aeronian440.8 - 438.5Canada (Quebec) D. schucherti (186080 186081 186082) D. sp. (187764)
Aeronian440.8 - 438.5Czech Republic D. horbingeri (14085 14122) D. sp. (14087)
Aeronian - Telychian440.8 - 433.4Canada (Quebec) D. schucherti (184407 184408 184409 184999 186046 186061 186064 186065 186070 186079 186088)
Aeronian - Telychian440.8 - 433.4Canada (Québec) D. schucherti (24412)
Telychian438.5 - 433.4Canada (Quebec) D. lesperancei (184641 186044 186053 187769) D. schucherti (186073 186077 186083)
Telychian438.5 - 433.4Canada (Québec) D. schucherti (24420 24423 24424)
Telychian - Sheinwoodian438.5 - 430.5Argentina D. subandina (25103)
Telychian - Sheinwoodian438.5 - 430.5Paraguay D. crassa (25568)
Sheinwoodian433.4 - 430.5Czech Republic D. diademata (14051 14094 14123)
Wenlock433.4 - 427.4Canada (Northwest Territories) D. gabrielsi (683 26059 26077)
Wenlock433.4 - 427.4USA (Arkansas) D. altirostris (26020 229058)
Wenlock - Ludlow433.4 - 423.0Argentina D. subandina (25062)
Homerian430.5 - 427.4Czech Republic D. diademata (14065)
Whitwellian430.5 - 425.4Canada (Northwest Territories) D. gabrielsi (26035 26042 26048 26050 26058)
Ludfordian - Pridoli425.6 - 419.2USA (Oklahoma) D. clavicula (26824)