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Lloydia (Evansaspis)

Trilobita - Corynexochida - Leiostegiidae

Taxonomy
Evansaspis was named by Kobayashi (1955) [Sepkoski's age data: O l]. It is not extant.

It was reranked as Lloydia (Evansaspis) by Lochman (1965).

It was assigned to Lloydia by Lochman (1965); and to Corynexochida by Sepkoski (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1955Evansaspis Kobayashi
1965Lloydia (Evansaspis) Lochman p. 467
2002Evansaspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderCorynexochida
suborderLeiostegiinaBradley 1925
superfamilyLeiostegioideaBradley 1925
familyLeiostegiidaeBradley 1925
genusLloydiaVogdes 1893
subgenusEvansaspis(Kobayashi 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.

Subg. †Lloydia (Evansaspis) Kobayashi 1955
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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: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:30:50
Modified: 2009-12-14 08:30:50
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Stairsian to the top of the Tulean or 483.40000 to 475.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Stairsian483.4 - 481.7USA (North Dakota) Lloydia formosa (414 119478)
Tulean481.7 - 475.3USA (Utah) Leiostegium formosa (104075 104077 104080)