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Sceptaspis

Artiopoda - Phacopida - Pterygometopidae

Taxonomy
Sceptaspis was named by Ludvigsen and Chatterton (1982) [Sepkoski's age data: O Cara-l O Ashg-u Sepkoski's reference number: 392,690,795]. It is not extant.

It was assigned to Eomonorachinae by Ludvigsen and Chatterton (1982); to Pterygometopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).

Synonymy list
YearName and author
1982Sceptaspis Ludvigsen and Chatterton p. 2186
2002Sceptaspis Jell and Adrain p. 442
2002Sceptaspis Sepkoski

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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
subfamilyEomonorachinaePillet 1954
genusSceptaspis

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. †Sceptaspis Ludvigsen and Chatterton 1982
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†Sceptaspis lincolnensis Branson 1909
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Invalid names: Calliops huronensis Okulitch 1942 [synonym], Calyptaulax calderi Wilson 1947 [synonym], Calyptaulax conjuens Foerste 1919 [synonym], Calyptaulax ottawanus Okulitch 1942 [synonym]
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: Fortey and Owens 1999, Aberhan et al. 2004, Hendy 2009

Age range: base of the Turinian to the top of the Edenian or 457.30000 to 450.20000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Sandbian458.2 - 452.8Russian Federation (Siberia) S. sp. (205631 206162) S. unica (206163)
Turinian457.3 - 453.8USA (Missouri) Pterygometopus lincolnensis (175724)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) S. lincolnensis (23789 23790 23791 23792)
Blackriveran457.3 - 449.6USA (Iowa/Wisconsin) S. lincolnensis (23119 23120)
Blackriveran - Rocklandian457.3 - 449.6USA (Minnesota) S. lincolnensis (23276)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) S. lincolnensis (23797 23798)
Rocklandian457.3 - 449.6USA (Iowa/Wisconsin) S. lincolnensis (23116)
Rocklandian - Kirkfieldian457.3 - 449.6Canada (Northwest Territories) Calyptaulax lincolnensis (24635)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) S. lincolnensis (23277)
Shermanian457.3 - 449.6USA (Minnesota) S. lincolnensis (23278)
Shermanian457.3 - 449.6USA (Illinois, Iowa) S. lincolnensis (23799 23800 23801)
Chatfieldian453.8 - 451.0Canada (Ontario) Calyptaulax calderi (26273)
Katian452.8 - 445.2Russian Federation (Siberia) S. unica (205627)
Katian452.8 - 445.2Canada (Ontario) S. sp. (228229)
Edenian451.0 - 450.2Canada (Quebec) S. lincolnensis (163865)
Edenian451.0 - 450.2USA (Minnesota) S. lincolnensis (23280)
Edenian451.0 - 450.2Canada (Northwest Territories) Calyptaulax lincolnensis (24636)