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Psephosthenaspis microspinosa

Trilobita - Proetida - Bathyuridae

Taxonomy
Psephosthenaspis microspinosa was named by Fortey and Droser (1996) [Paratypes: cranidia, USNM 481329-30; librigena: USNM 481331-2; pygidium, USNM 481334]. Its type specimen is USNM 481333, a pygidium, and it is a 3D body fossil.

Synonymy list
YearName and author
1996Psephosthenaspis microspinosa Fortey and Droser p. 85 figs. 10.5, 10.9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyBathyuridaeWalcott 1886
genusPsephosthenaspisWhittington 1953
speciesmicrospinosa

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 microspinosa 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: Hendy 2009, Aberhan et al. 2004, Whittington et al. 1997, Fortey and Owens 1999

Age range: Rangerian or 471.30000 to 470.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Rangerian471.3 - 470.3USA (Utah) Psephosthenaspis microspinosa (37452 37453)