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Millardicurus millardensis

Trilobita - Proetida - Hystricuridae

Taxonomy
Hystricurus millardensis was named by Hintze (1953) [Paratypes: 26162-5 (AMNH).]. Its type specimen is 26161 (AMNH), a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Millardicurus millardensis by Adrain and Westrop (2006).

Synonymy list
YearName and author
1953Hystricurus millardensis Hintze p. 168 figs. Pl. 6, figs. 17a, b, c
2006Millardicurus millardensis Adrain and Westrop p. 659

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

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.

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

Age range: Skullrockian or 487.50000 to 482.30000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Trempealeauan492.5 - 485.4USA (Texas) Hystricurus millardensis (215998)
Trempealeauan492.5 - 485.4USA (Utah) Hystricurus millardensis (219670 219671)
Skullrockian487.5 - 482.3USA (Utah) Hystricurus millardensis (104153 104161) Millardicurus millardensis (106420)
Skullrockian487.5 - 482.3USA (Texas) Hystricurus millardensis (219672)
Gasconadian485.4 - 477.7USA (New Mexico) Hystricurus millardensis (203900)
Tremadocian485.4 - 477.7USA (Utah) Hystricurus millardensis (219669)