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Chasmopinae

Artiopoda - Phacopida - Pterygometopidae

Synonymy list
YearName and author
1954Chasmopinae Pillet
1982Chasmopinae Owen and Harper
1998Chasmopinae Roomusoks

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyChasmopinaePillet 1954
subfamilyChasmopinaePillet 1954

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.

Subfm. †Chasmopinae Pillet 1954
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G. †Bolbochasmops McNamara 1980
G. †Chasmops M'Coy 1849
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†Chasmops extensa Boeck 1838
†Chasmops inge Roomusoks 1953
†Chasmops marginatus Schmidt 1881
†Chasmops odini Eichwald 1860
†Chasmops wesenbergensis Schmidt 1881
G. †Oculichasmops Rõõmusoks 1986
G. †Rollmops McNamara 1980
G. †Scopelochasmops McNamara 1980
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†Scopelochasmops cambrensis Whittington 1962
G. †Toxochasmops McNamara 1979
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Subg. †Toxochasmops (Toxochasmops) McNamara 1979
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Invalid names: Phacops macroura Sjögren and Angelin 1851 [synonym]
G. †Uralops Antsygin 1970
G. †Valdariops Rõõmusoks 2000
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†Valdariops aliquantulus Rõõmusoks 2000
†Valdariops angustus Rõõmusoks 2000
†Valdariops eichwaldi Schmidt 1881
†Valdariops kernuensis Rõõmusoks 2000
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: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoresubo
Vision: well-developedf
Created: 2009-06-11 18:42:15
Modified: 2009-12-19 04:28:20
Source: f = family, subo = suborder, c = class
References: Hendy 2009, Fortey and Owens 1999, Aberhan et al. 2004

Age range: base of the Aseri to the top of the Hirnantian or 464.30000 to 443.10000 Ma

Collections (211 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Aseri464.3 - 461.4Estonia Chasmops nasutus (56200)
Lasnamagi461.4 - 459.7Estonia Chasmops nasutus (56205)
Late/Upper Llandeilo461.1 - 458.2Norway Bolbochasmops sp., Chasmops sp., Scopelochasmops sp. (3250)
Late/Upper Llanvirn461.1 - 458.2Sweden Chasmops sp. (2931)
Uhaku459.7 - 458.0Russian Federation Chasmops odini (167734)
Uhaku459.7 - 458.0Belarus Chasmops sp. (195466)
Uhaku - Kukruse459.7 - 456.8Russian Federation Chasmops odini (167725)
Costonian - Harnagian458.2 - 457.2Sweden Chasmops sp. (2765 2767 2769)
Soudleyan - Marshbrookian458.2 - 454.0Norway (Oslo) Toxochasmops extensus (2762 3252)
Soudleyan - Marshbrookian458.2 - 454.0United Kingdom (Wales) Chasmops sp. (3369 3370 3372)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Pusgillian - Rawtheyan449.5 - 445.2Norway (Ringerike) Chasmops sp. (163026)
Rawtheyan448.8 - 445.2Norway Toxochasmops sp. (159370)
Rawtheyan448.8 - 445.2Norway (Oslo-Asker) Toxochasmops sp. (366)
Rawtheyan448.8 - 445.2United Kingdom (Wales) Toxochasmops marri (196867)
Rawtheyan448.8 - 445.2Belgium Toxochasmops cognitus (185315 185316)
Rawtheyan - Hirnantian448.8 - 443.1Norway (Oslo-Asker Dist.) Toxochasmops sp. (365)
Hirnantian445.2 - 443.1Germany Toxochasmops eichwaldi (192866)
Hirnantian445.2 - 443.1Norway (Oslo-Asker District) Toxochasmops sp. (364)
Hirnantian445.2 - 443.1Norway (Oslo-Asker Dist.) Toxochasmops sp. (437 441)
Hirnantian445.2 - 443.1Canada (Quebec) Toxochasmops anticostiensis (184372 184383 184385)