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Euptychaspis

Trilobita - Asaphida - Ptychaspididae

Taxonomy
Euptychaspis was named by Ulrich (1931) [Sepkoski's age data: Cm Trep-l O Trem-l Sepkoski's reference number: 379,697]. It is not extant.

It was assigned to Asaphida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2002).

Synonymy list
YearName and author
1931Euptychaspis Ulrich
2002Euptychaspis Jell and Adrain p. 375
2002Euptychaspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyDikelocephaloidea(Miller 1889)
familyPtychaspididaeRaymond 1924
genusEuptychaspisUlrich 1931

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. †Euptychaspis Ulrich 1931
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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: 1.0 to < 10g
Adult width: 1.0 to < 10g
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-09 09:39:28
Modified: 2009-06-09 11:39:28
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy 2009, Whittington et al. 1997, Hendy et al. 2009

Age range: Trempealeauan or 492.50000 to 485.40000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Sunwaptan493.5 - 487.5USA (New Mexico) E. kirki (203887)
Sunwaptan493.5 - 487.5USA (Nevada) E. sp. (8975)
Sunwaptan493.5 - 487.5Canada (Alberta) E. sp. (81301) E. typicalis (54094 81297)
Sunwaptan493.5 - 487.5USA (New York) E. sp. indet. (85187) E. typicalis (257 85185 85186)
Trempealeauan492.5 - 485.4Canada (Yukon) E. kirki (55313)
Trempealeauan492.5 - 485.4USA (Texas) E. frontalis (216017 216018) E. jugalis (219678) E. kirki (216014 216015 219648 219651 219652 219653 219654 219655 233747) E. typicalis (219679)
Trempealeauan492.5 - 485.4USA (Utah) E. sp. (259)
Trempealeauan492.5 - 485.4USA (Nevada) Euptychaspis indet. (50831) E. kirki (233789) E. sp. (203998 204002)
Skullrockian487.5 - 482.3USA (Texas) E. typicalis (219680)