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Flexicalymeninae

Trilobita - Phacopida - Calymenidae

Synonymy list
YearName and author
1977Flexicalymeninae Siveter

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
subfamilyFlexicalymeninae
subfamilyFlexicalymeninae

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.

Diagnosis
No diagnoses are available
Measurements
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: actively mobilef
Life habit: nektobenthicf
Diet: carnivoref
Vision: well-developedf
Created: 2009-06-11 14:42:12
Modified: 2012-08-27 07:17:38
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Late/Upper Llanvirn to the top of the Lochkovian or 463.50000 to 410.80000 Ma

Collections (790 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ordovician485.4 - 443.4USA (New York) Flexicalymene sp. (332)
Middle Ordovician470.0 - 458.4USA (Kentucky) Flexicalymene sp. (10745)
Middle Ordovician470.0 - 458.4USA (New York) Flexicalymene sp. (333 334 335 430)
Darriwilian467.3 - 458.4China (Xinjiang) Sthenarocalymene sp. (188380)
Early/Lower Llandeilo466.0 - 460.9United Kingdom (Wales) Flexicalymene sp. (3366 3367)
Llanvirn466.0 - 460.9Spain (Asturias) Flexicalymene sp. (21085)
Uhaku466.0 - 460.9Norway Sthenarocalymene lirella (167002)
Llandeilo466.0 - 449.5United Kingdom Flexicalymene cambriensis (69586 69587 69588 69589 69590 69591 69592 69596)
Late/Upper Llanvirn463.5 - 460.9United Kingdom (Wales) Flexicalymene cambriensis (3318 69529 69537 69544 69545 69548 69582 69583)
Late/Upper Llanvirn463.5 - 460.9United Kingdom Flexicalymene cambriensis (69534 69535 69572 69573 69574 69575 69576 69597 69598)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Telychian - Sheinwoodian438.5 - 430.5Argentina Flexicalymene vaccarii (25103)
Wenlock433.4 - 427.4Ukraine Flexicalymene studenicense (23349)
Wenlock433.4 - 427.4USA (Arkansas) Sthenarocalymene scutula (26020)
Wenlock - Ludlow433.4 - 423.0Argentina Flexicalymene sp. (25060 25062)
Gorstian427.4 - 425.6Australia (Australian Capital Territory) Sthenarocalymene australis (25639)
Gorstian427.4 - 425.6Czech Republic Metacalymene baylei (14106)
Ludfordian425.6 - 423.0Australia (Australian Capital Territory) Sthenarocalymene australis (25677)
Ludfordian425.6 - 423.0Australia (New South Wales) Sthenarocalymene australis (25634)
Ludfordian425.6 - 423.0Czech Republic Metacalymene baylei (14067 14071)
Lochkovian419.2 - 410.8Australia (Victoria) Sthenarocalymene sp. (7196)