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Proricephalus

Artiopoda - Asaphida - Ptychaspididae

Taxonomy
Proricephalus was named by Westrop (1986) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 625,697]. It is not extant.

It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1986Proricephalus Westrop
2002Proricephalus Jell and Adrain p. 431
2002Proricephalus 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
superfamilyDikelocephaloidea(Miller 1889)
familyPtychaspididaeRaymond 1924
genusProricephalusWestrop 1986

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. †Proricephalus Westrop 1986
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-12-13 23:08:03
Modified: 2009-12-14 01:08:03
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004

Age range: Sunwaptan or 493.50000 to 488.90000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Sunwaptan493.5 - 488.9Canada (Alberta) P. scapane (54093) P. wilcoxensis (54094 54096 81297 81298)