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Ellipsocephaloididae

Trilobita - Ellipsocephaloididae

Taxonomy
Ellipsocephaloididae was named by Hupé (1955). It is not extant.

It was assigned to Ptychopariida by Jell and Adrain (2002); and to Trilobita by Adrain (2011).

Synonymy list
YearName and author
1955Ellipsocephaloididae Hupé
2002Ellipsocephaloididae Jell and Adrain p. 471
2011Ellipsocephaloididae Adrain p. 108

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyEllipsocephaloididaeHupé 1955
familyEllipsocephaloididaeHupé 1955

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.

Fm. †Ellipsocephaloididae Hupé 1955
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G. †Ellipsocephaloides Kobayashi 1935
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†Ellipsocephaloides curtus Whitfield 1878
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: carnivorec
Vision: well-developedf
Created: 2009-12-19 04:02:34
Modified: 2009-12-19 06:02:34
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: Sunwaptan or 493.50000 to 487.50000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Franconian497.0 - 485.4USA (Wyoming) Ellipsocephaloides sp. (238626)
Franconian497.0 - 485.4USA (Minnesota) Ellipsocephaloides curtus (62099 62100 62101 62102 62104 62107 62108) Ellipsocephaloides gracilis (62117 62118 62119 62123)
Franconian497.0 - 485.4USA (South Dakota) Ellipsocephaloides curtus (9737) Ellipsocephaloides monensis (9749) Ellipsocephaloides monsensis (9734 9735 9736 9744) Ellipsocephaloides sp. (9739)
Sunwaptan493.5 - 487.5Canada (Alberta) Ellipsocephaloides argutus, Ellipsocephaloides monsensis (54090) Ellipsocephaloides curtus (54088 81302) Ellipsocephaloides monsensis, Ellipsocephaloides silvestris (81296) Ellipsocephaloides silvestris (81299 81304 81306) Ellipsocephaloides silvestris, Ellipsocephaloides monsensis (54091 54092) Ellipsocephaloides silvestris, Ellipsocephaloides monsensis, Ellipsocephaloides argutus, Ellipsocephaloides curtus (64687)