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Leviceraurus

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Leviceraurus was named by Hessin (1988) [Sepkoski's age data: O Cara-m O Cara-u Sepkoski's reference number: 795]. It is not extant. Its type is Leviceraurus mammilloides.

It was assigned to Cheirurinae by Hessin (1988); and to Phacopida by Sepkoski (2002).

Species
L. mammilloides (type species)

Synonymy list
YearName and author
1988Leviceraurus Hessin
2002Leviceraurus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyCheirurinae
genusLeviceraurusHessin 1988

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. †Leviceraurus Hessin 1988
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Diagnosis
ReferenceDiagnosis
W. A. Hessin 1988A genus of Cheirurinae with moderately and nearly parallel-sided glabella which possesses three short glabellar furrows; width across occipital ring slightly than one-fourth width of cephalon; occipital ring broad, one-fourth length of glabella; glabella appears smooth ed eye, but has prosopon of very fine granules and typically pairs of low, rounded tubercles on medial portion of (often fourth pair and one of third pair absent); eye small, vated and positioned on mid-point of cheek opposite 2s furrow or 2p lobe; rostral plate possesses a pair of faint tubercles; an- terior border very narrow, almost indistinguishable from an- terior lobe of glabella; genal spines moderately long and extend back to opposite fourth or fifth thoracic segment; pygidium triangular in outline, excluding slender anterior spines which are almost as long as length of thorax; two pairs of posterior spines present, but very short
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Created: 2009-06-11 14:43:11
Modified: 2012-08-27 07:38:08
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: Edenian or 451.00000 to 450.20000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Edenian451.0 - 450.2Canada (Ontario) L. mammilloides (192754 192755 192758)