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Eoacidaspis

Trilobita - Lichida - Lichakephalidae

Taxonomy
Eoacidaspis was named by Poletaeva (1956) [Sepkoski's age data: Cm Fran-l O Trem-l Sepkoski's reference number: 618]. It is not extant. Its type is Eoacidaspis salairica.

It was assigned to Eoacidaspididae by Bruton (1983); to Lichida by Sepkoski (2002); and to Lichakephalidae by Thomas and Holloway (1988), Jell and Adrain (2002).

Species
E. amplicauda, E. salairica (type species)

Synonymy list
YearName and author
1956Eoacidaspis Poletaeva
1983Eoacidaspis Bruton p. 877
1988Eoacidaspis Thomas and Holloway p. 239
2002Eoacidaspis Jell and Adrain
2002Eoacidaspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderLichidaMoore 1959
familyLichakephalidaeTripp 1957
genusEoacidaspisPoletaeva 1956

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. †Eoacidaspis Poletaeva 1956
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†Eoacidaspis amplicauda Lazarenko 1968
†Eoacidaspis salairica Poletaeva 1956
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: carnivoreo
Vision: well-developedf
Created: 2009-12-15 22:39:06
Modified: 2009-12-16 00:39:06
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Ketyan to the top of the Yurakian or 495.00000 to 486.85000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Taoyuanian495.2 - 486.85Russian Federation (Krasnoyar) E. amplicauda (132508)
Taoyuanian495.2 - 486.85Russian Federation (Sakha) E. sp. (133600)
Ketyan495.0 - 486.85Russian Federation (Krasnoyar) E. salairica (131098)
Yurakian495.0 - 486.85Russian Federation (Krasnoyar) E. salairica (131095 131096 131097 131401 131410)