Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Hystricurus contractus

Trilobita - Proetida - Hystricuridae

Taxonomy
Hystricurus contractus was named by Ross (1951). Its type specimen is YPM 17962, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Locality 6, Hillyard's Canyon, Zone "F", which is in a Stairsian shallow subtidal horizon in the Garden City Formation of Idaho.

Synonymy list
YearName and author
1951Hystricurus contractus Ross p. 48 figs. Pl. 10, figs. 4, 6, 7

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyHystricuridaeHupé 1953
genusHystricurusRaymond 1913
speciescontractus

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.

show all | hide all
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
Adult height: 1.0 to < 10g
Spines: minorg
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 12:57:05
Modified: 2009-06-09 14:57:05
Source: g = genus, f = family, o = order, c = class
References: Fortey and Owens 1999, Whittington et al. 1997, Aberhan et al. 2004, Harrington et al. 1959

Age range: Stairsian or 483.40000 to 481.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Stairsian483.4 - 481.7USA (Utah) Hystricurus contractus (104110)
Stairsian483.4 - 481.7USA (Idaho) Hystricurus contractus (type locality: 103822)