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Psephosthenaspis glabrior

Artiopoda - Proetida - Bathyuridae

Taxonomy
Psephosthenaspis glabrior was named by Fortey and Droser (1996) [Paratypes: cranidia, USNM 481335-6; librigena, USNM 481340; pygidia, USNM 481338-9]. Its type specimen is USNM 481337, a pygidium, and it is a 3D body fossil.

Synonymy list
YearName and author
1996Psephosthenaspis glabrior Fortey and Droser p. 87 figs. 11.4, 11.5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyBathyuridaeWalcott 1886
genusPsephosthenaspisWhittington 1953
speciesglabrior

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.

Psephosthenaspis glabrior Fortey and Droser 1996
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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: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-06-09 21:24:36
Modified: 2009-06-09 23:24:36
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy 2009, Fortey and Owens 1999, Whittington et al. 1997

Age range: Rangerian or 471.30000 to 470.30000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Rangerian471.3 - 470.3USA (Nevada) Psephosthenaspis glabrior (37491)
Rangerian471.3 - 470.3USA (Utah) Psephosthenaspis glabrior (37462 37463 37464 37465 37477)
Whiterockian471.3 - 457.3USA (Nevada) Psephosthenaspis glabrior (37481 37482 37492)