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Symphysops

Artiopoda - Asaphida - Cyclopygidae

Taxonomy
Symphysops was named by Raymond (1925) [Sepkoski's age data: O Llvi O Ashg-m Sepkoski's reference number: 2,1075]. It is not extant.

It was assigned to Asaphida by Sepkoski (2002); and to Cyclopygidae by Jell and Adrain (2002).

Species
S. armatus, S. djebaglensis
Species lacking formal opinion data
S. mitrata, S. sinensis, S. spinifera, S. subarmatus, S. sulcata

Synonymy list
YearName and author
1925Symphysops Raymond
2002Symphysops Jell and Adrain p. 449
2002Symphysops Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyCyclopygoideaRaymond 1925
familyCyclopygidae
genusSymphysopsRaymond 1925

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. †Symphysops Raymond 1925
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†Symphysops armatus Barrande 1872
†Symphysops djebaglensis Kolova 1936
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: nektonicf
Diet: microcarnivoref
Vision: well-developedf
Created: 2009-06-11 14:46:35
Modified: 2012-08-27 07:32:19
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Tremadoc to the top of the Rawtheyan or 486.40000 to 445.20000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1China (Zhejian) S. sinensis (235380)
Llanvirn468.0 - 458.2Czechia (Prague) S. sp. (76458)
Sandbian458.2 - 452.8Kazakhstan S. djebaglensis (162196)
Actonian - Cautleyan454.0 - 448.8Iran (Gilan) S. sp. (232880)
Katian452.8 - 445.2Ireland S. subarmatus (162246)
Edenian - Gamachian451.0 - 443.1Canada (Quebec) S. spinifera (37799)
Kralodvorian450.1 - 445.2Italy (Sardinia) S. armata (192914) S. armatus (75890) S. sp. (185151)
Kralodvorian - Rawtheyan450.1 - 445.2Czechia S. armata (3875 238013)
Richmondian - Gamachian449.6 - 443.1Canada (Quebec) S. spinifera (37790) S. spinifera, S. sp. (37469)
Ashgill449.5 - 443.1USA (Maine) S. sp. (185954)
Ashgill449.5 - 443.1Canada (Quebec) S. sp. (13131 54135) S. spinifera, S. sp. b (13130)
Rawtheyan448.8 - 445.2United Kingdom (England) S. sp. (3671 3676 3681)