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Symphysurina

Trilobita - Asaphida - Nileidae

Taxonomy
Symphysurina was named by Ulrich (1924) [Sepkoski's age data: O Trem-l].

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

Synonymy list
YearName and author
1924Symphysurina Ulrich
2002Symphysurina Jell and Adrain p. 449
2002Symphysurina Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyCyclopygoideaRaymond 1925
familyNileidaeAngelin 1854
genusSymphysurinaUlrich 1924

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. †Symphysurina Ulrich 1924
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†Symphysurina brevis Fortey 1983
†Symphysurina bulbosa Lochman 1964
†Symphysurina elegans Poulsen 1937
†Symphysurina goniura Billings 1860
†Symphysurina myopia Westrop and in Landing et al 2003
†Symphysurina robusta Poulsen 1937
†Symphysurina spicata Ulrich in Walcott 1925
†Symphysurina uncaspicata Hintze 1953
†Symphysurina walcotti Kindle 1929
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Invalid names: Symphysurina brevispicata Hintze 1953 [synonym]
†Symphysurina woosteri Ulrich and Walcott 1924
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: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-08 12:34:07
Modified: 2009-06-08 14:34:07
Source: g = genus, f = family, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Tremadoc to the top of the Skullrockian or 486.50000 to 482.30000 Ma

Collections (129 total)


Time interval Ma Country or state Original ID and collection number
Trempealeauan492.5 - 485.4USA (Texas) S. brevispicata (215998 215999 216000 216001 216002 216003 216005 216007)
Trempealeauan492.5 - 485.4USA (Utah) S. eurekensis, S. brevispicata, S. spicata (219670 219671)
Trempealeauan492.5 - 485.4Canada (Newfoundland and Labrador) S. cleora (203836) S. minima (105856) S. sp. (105871) S. spicata (105869)
Skullrockian487.5 - 482.3USA (Texas) S. brevispicata, S. bulbosa (219673) S. bubops, S. brevispicata, S. bulbosa (219672 219674)
Skullrockian487.5 - 482.3Canada (British Columbia) S. spicata (50164)
Skullrockian487.5 - 482.3USA (Utah) S. brevispicata (104153) S. cleora (104157 104158) S. cleora, S. brevispicata (104161) S. globocapitella (104160 104176) S. sp. (104151 104154 104162 104166 104171 104172) S. spicata (104169 104170 104180 104184) S. spp. (106421 106422) S. spp., S. brevispicata (106420) S. uncaspicata (104167 105777)
Skullrockian487.5 - 482.3Greenland S. woosteri (122109)
Skullrockian487.5 - 482.3Canada (Newfoundland) S. myopia (195680 195693 195694 195695 195696 195698 195699 195700 195701 195702 195703 195705) S. sp. (195734 195736 195737 195738 195742 195743 195744 195745)
Skullrockian487.5 - 482.3USA (New York) S. myopia (87524)
Tremadoc486.5 - 477.7Canada (Alberta) S. eugenia (54122) S. sp. (11021 11066) S. sp., S. spicata (11046) S. spicata (11028 11059 11060 11065) S. walcotti (11033 11036 11038 11039 11040 11044 11045 11047 11048)
Tremadoc486.5 - 477.7USA (Montana) S. sp. (270 275)
Tremadoc486.5 - 477.7USA (Texas) S. woosteri (223754)
Tremadoc486.5 - 477.7Canada (Newfoundland and Labrador) S. sp. (78091)
Tremadoc486.5 - 477.7Canada (Yukon) S. sp., S. spicata (55300)
Tremadoc486.5 - 477.7USA (Utah) S. sp. (276)
Tremadoc486.5 - 477.7Sweden S. oriens (3107 3108)
Tremadoc486.5 - 477.7France (Montagne Noire) S. sp. (20829 76571)
Tremadoc486.5 - 477.7USA (Vermont) S. sp. (277)
Demingian485.4 - 478.6Canada (Alberta) S. sp. b (50166)
Demingian485.4 - 478.6USA (Montana) S. sp. (69028)
Gasconadian485.4 - 477.7USA (Montana) S. bulbosa (219668) S. sp. (210720) S. woosteri (210717)
Gasconadian485.4 - 477.7USA (Utah) S. sp. (103920) S. sp. A (103786)
Gasconadian485.4 - 477.7USA (New York) S. sp. (273)
Gasconadian485.4 - 477.7USA (Idaho) S. sp. A (103814)
Gasconadian485.4 - 477.7USA (Nevada) S. sp. (104334 104341 104644)
Gasconadian485.4 - 477.7USA (New Mexico) S. spp. (203894 203895 203896 203897 203899 203900) S. spp., S. pygidium no. 1 Stitt (203898) S. woosteri (203902)
Gasconadian485.4 - 477.7USA (California) S. sp. (104642 104643)
Gasconadian485.4 - 477.7Canada (British Columbia) S. sp. a, S. sp. b (50165)
Tremadocian485.4 - 477.7Canada (Yukon) S. sp. (55344) S. sp., S. spicata (55345)
Tremadocian485.4 - 477.7Canada (Alberta) S. sp. (229374) S. spicata, S. sp. (229377)
Tremadocian485.4 - 477.7Greenland S. elegans, S. robusta (122085) S. sp. (122084 122087) S. woosteri (122086)
Tremadocian485.4 - 477.7USA (Utah) S. eurekensis, S. brevispicata, S. spicata, S. bulbosa (219669)
Tremadocian485.4 - 477.7USA (New York) S. convexa (174043)
Tremadocian485.4 - 477.7USA (Nevada) S. brevispicata (75444)
Tremadocian485.4 - 477.7Canada (Newfoundland and Labrador) S. brevispicata (105867) S. brevispicata, S. brevis (105854) S. cleora, S. spicata (105855) S. spicata (105868)
Early/Lower Ordovician485.4 - 470.0Canada (Newfoundland) S. sp. (198245)
Tremadocian - Floian485.4 - 470.0Sweden S. sp. (3195)