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Crotalocephalus

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Crotalocephalus was named by Salter (1853) [Sepkoski's age data: D Gedi D Give-u Sepkoski's reference number: 2,1106]. It is not extant.

It was reranked as Cheirurus (Crotalocephalus) by Philip (1962).

It was assigned to Cheirurus by Philip (1962); to Phacopida by Sepkoski (2002); and to Cheiruridae by Jell and Adrain (2002).

Synonyms
Synonymy list
YearName and author
1853Crotalocephalus Salter
1947Cerauroides Prantl and Pribyl
1962Cheirurus (Crotalocephalus) Philip
1973Pilletopeltis Pillet
1983Cheirurus (Pilletopeltis) Chlupac
2002Crotalocephalus Jell and Adrain p. 361
2002Cerauroides Sepkoski
2002Crotalocephalus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusCrotalocephalusBeyrich 1845

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. †Crotalocephalus Salter 1853
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†Crotalocephalus affinis Hawle and Corda 1847
†Crotalocephalus albertii Pribyl and Vanek 1984
†Crotalocephalus maurus Alberti 1966
†Crotalocephalus pauper Barrande 1852
†Crotalocephalus silverdalensis Etheridge and Mitchell 1917
†Crotalocephalus struszi Chatterton and Wright 1986
Invalid names: Cerauroides Prantl and Pribyl 1947 [synonym], Pilletopeltis Pillet 1973 [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: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedg
Created: 2010-01-13 03:58:38
Modified: 2010-01-13 05:58:38
Source: g = genus, f = family, c = class
References: Harrington et al. 1959, Whittington et al. 1997, Aberhan et al. 2004, Hendy 2009

Age range: base of the Wenlock to the top of the Early/Lower Frasnian or 432.90000 to 379.00000 Ma

Collections (78 total)


Time interval Ma Country or state Original ID and collection number
Silurian443.1 - 419.62Australia (Victoria) Cheirurus silverdalensis (10187 10191 10192 10193)
Wenlock432.9 - 426.7Morocco Cheirurus sternbergi (27410)
Gorstian426.7 - 425.0Australia (Australian Capital Territory) C. silverdalensis (25639)
Ludlow426.7 - 422.7Japan (Skikoku) Cerauroides orientalis (188692)
Ludlow426.7 - 422.7Japan (Shikoku) Cerauroides elongatus, Cerauroides orientalis (188690)
Ludlow - Pridoli426.7 - 419.62Morocco Cheirurus sternbergi (27444)
Ludfordian425.0 - 422.7Czechia Cerauroides articulatus (14037) Cerauroides hawlei (14128) Cerauroides sp. (14110 14111 14112 14164) C. transiens (14070)
Ludfordian425.0 - 422.7Australia (Australian Capital Territory) C. silverdalensis (25677)
Ludfordian425.0 - 422.7Australia (New South Wales) C. silverdalensis (25634)
Pridoli422.7 - 419.62Czechia C. transiens (13896 14045 14113 14130 14131)
Pridoli - Helderbergian422.7 - 393.47Australia (New South Wales) C. silverdalensis (24903)
Pridoli - Helderbergian422.7 - 393.47China (Xinjiang) C. myops (27917)
Lochkovian419.62 - 413.02Australia (New South Wales) C. silverdalensis (24907)
Lochkovian419.62 - 413.02Uzbekistan C. sp. (181368 181369 181370)
Early/Lower Devonian419.62 - 393.47Czechia (Barrandia) Cheirurus sternbergi (12183)
Devonian - Eifelian419.62 - 387.95Czechia Cheirurus sp. (10470)
Early/Lower Devonian - Eifelian419.62 - 387.95Czechia Cheirurus sp. (12148)
Pragian413.02 - 410.62Czechia (Srbsko) Cheirurus albertii (235198)
Pragian413.02 - 410.62Australia (Victoria) Cheirurus sp. (75683)
Pragian413.02 - 410.62Czechia Cheirurus cordai, Cheirurus pauper (10378) Cheirurus pauper (12104)
Pragian413.02 - 410.62Czechia (Prague) Cheirurus cordai (12071) Cheirurus pauper (12083)
Pragian413.02 - 410.62Algeria Cheirurus meridianus (27161) Cheirurus pauper (27162)
Pragian413.02 - 410.62Italy (Sardinia) Cheirurus pauper (26162)
Pragian413.02 - 410.62Morocco Cheirurus africanus (27042) Cheirurus maurus (27041 27055) Cheirurus meridianus (27155)
Pragian413.02 - 410.62Czechia (Praha) Cheirurus albertii (235199)
Pragian - Early/Lower Emsian413.02 - 399.5Russian Federation (Sverdlovskaya Oblast) C. malandriosis (81797)
Pragian - Middle Devonian413.02 - 382.31Czechia Cheirurus cordai (10344) Cheirurus pauper (10372 10379)
Early/Lower Emsian410.62 - 399.5USA (Alaska) Cheirurus sp. (3477 3478 3483)
Early/Lower Emsian - Late/Upper Emsian410.62 - 393.47Czechia Cheirurus sternbergi (10462)
Emsian410.62 - 393.47Uzbekistan C. zinzilbanicus (181378 181379)
Zlichovian410.62 - 393.47Czechia (Barrandia) Cheirurus sternbergi (12112 12143)
Zlichovian410.62 - 393.47Czechia Cheirurus sp. (10460) Cheirurus sternbergi (10467)
Zlichovian - Daleje410.62 - 393.47Australia (New South Wales) C. struszi (188101)
Zlichovian - Daleje410.62 - 393.47Czechia (Barrandia) Cheirurus sp. (12039)
Daleje - Eifelian410.62 - 387.95Czechia Cheirurus sternbergi (10469)
Zlichovian - Eifelian410.62 - 387.95Morocco Cheirurus sternbergi (27058)
Late/Upper Emsian399.5 - 393.47Morocco Cheirurus sternbergi (27051)
Late/Upper Emsian399.5 - 393.47Italy Cheirurus sternbergi (26247 26250 26253 26257)
Late/Upper Emsian399.5 - 393.47Czechia Cheirurus sternbergi (12144)
Late/Upper Emsian - Eifelian399.5 - 387.95Morocco Cheirurus sternbergi (27114)
Eifelian393.47 - 387.95Germany (Hessen) C. sp. (229648)
Eifelian393.47 - 387.95Czechia (Barrandia) Cheirurus affinis (12040)
Eifelian393.47 - 387.95Czechia (Koneprusy) Cheirurus affinis (12257)
Eifelian393.47 - 387.95Czechia Cheirurus affinis (10474)
Eifelian393.47 - 387.95Germany (Rhineland-Palatinate) C. geesianus (188766)
Eifelian393.47 - 387.95Morocco Cheirurus sternbergi (27120)
Early/Lower Frasnian382.31 - 379.0Russian Federation (Orenburgskaya Oblast) C. sp. (83918)