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Psalikilus

Trilobita - Proetida - Hystricuridae

Taxonomy
Psalikilus was named by Ross (1951) [Sepkoski's age data: O Trem-u O Aren-l Sepkoski's reference number: 795]. Its type is Psalikilus typicum.

It was assigned to Proetida by Sepkoski (2002); and to Hystricuridae by Jell and Adrain (2002) and Adrain et al. (2003).

Synonymy list
YearName and author
1951Psalikilus Ross p. 62
2002Psalikilus Jell and Adrain p. 432
2002Psalikilus Sepkoski
2003Psalikilus Adrain et al. p. 559

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyHystricuridaeHupé 1953
genusPsalikilus

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. †Psalikilus Ross 1951
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Psalikilus hestoni Adrain et al. 2009
Psalikilus paraspinosum Hintze 1953
Psalikilus pikum Hintze 1953
Psalikilus spinosum Hintze 1953
Psalikilus typicum Ross 1951
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-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 02:34:11
Modified: 2009-12-19 04:34:11
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the Blackhillsian to the top of the Rangerian or 478.60000 to 468.10000 Ma

Collections (47 total)


Time interval Ma Country or state Original ID and collection number
Ibexian488.3 - 471.8USA (Nevada) P. pikum (104563)
Tulean485.4 - 471.8USA (Idaho) P. hestoni (228268) P. sp. (228266 228267) P. sp. 3 (228285 228298) P. sp. A (228300) P. typicum (103799 103800 103803 103816 103819 103820 228299)
Tulean485.4 - 471.8USA (Utah) P. paraspinosum (104096 104103 104108 104134 104135 228303) P. sp. (104072 104097 104145) P. sp. 2 (228284) P. sp. 7 (228309) P. spinosum (104070 104086 104113) P. typicum (104081 104092 104099 104100 104101 104148)
Tulean485.4 - 471.8USA (Montana) P. paraspinosum (174361) P. sp. (287)
Canadian485.4 - 468.1USA (Maryland) P. sp. (274)
Blackhillsian478.6 - 471.8USA (Nevada) P. pikum (104551) P. sp. (104556 104651)
Blackhillsian478.6 - 471.8USA (Utah) P. likum (104121) P. paraspinosum (104116)
Arenig478.6 - 466.0USA (North Dakota) P. sp. (413 429)
Arenig478.6 - 466.0USA (Nevada) P. sp. (60037)
Arenig478.6 - 466.0Canada (Newfoundland and Labrador) P. sp. (78093)
Rangerian471.8 - 468.1USA (Nevada) P. sp. (104450)