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Mexicaspis

Artiopoda - Corynexochida - Zacanthoididae

Taxonomy
Mexicaspis was named by Lochman (1948) [Sepkoski's age data: Cm Tojo-u Cm lMid Sepkoski's reference number: 478].

It was assigned to Zacanthoididae by Palmer and Halley (1979), Eddy and McCollum (1998), Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).

Synonymy list
YearName and author
1948Mexicaspis Lochman p. 455
1979Mexicaspis Palmer and Halley p. 92
1998Mexicaspis Eddy and McCollum p. 876
2002Mexicaspis Jell and Adrain p. 406
2002Mexicaspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderCorynexochida
suborderCorynexochinaKobayashi 1935
familyZacanthoididaeSwinnerton 1915
genusMexicaspis

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. †Mexicaspis Lochman 1948
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†Mexicaspis difuntosensis Lochman 1952
†Mexicaspis radiatus Palmer and Halley 1979
†Mexicaspis stenopyge Lochman 1948
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-06-11 19:40:14
Modified: 2009-12-15 01:40:01
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004

Age range: base of the Dyeran to the top of the Delamaran or 515.30000 to 505.30000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Dyeran515.3 - 509.7USA (Virginia) M. sp. (195)
Delamaran509.7 - 505.3USA (Nevada and California) M. sp. (201)
Delamaran509.7 - 505.3USA (California) M. radiatus (149619 149652) M. stenopyge (226840)
Delamaran - Menevian509.7 - 499.5Mexico M. difuntosensis, M. stenopyge (10687)
Solvan508.2 - 504.5USA (Nevada) M. difuntosensis (9436 9457 9462)