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Buenellus

Trilobita - Redlichiida - Nevadiidae

Taxonomy
Buenellus was named by Blaker (1988) [Sepkoski's age data: Cm Atda-u]. Its type is Buenellus higginsi.

It was assigned to Olenellida by Sepkoski (2002); and to Nevadiidae by Blaker (1988), Palmer and Repina (1993) and Babcock and Peel (2007).

Species
B. higginsi (type species)

Synonymy list
YearName and author
1988Buenellus Blaker p. 34
1993Buenellus Palmer and Repina p. 31 fig. 9.6
2002Buenellus Sepkoski
2007Buenellus Babcock and Peel p. 411

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyFallotaspidoideaHupe 1953
familyNevadiidaeHupé 1953
genusBuenellus

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. †Buenellus Blaker 1988
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†Buenellus higginsi Blaker 1988
Diagnosis
ReferenceDiagnosis
A. R. Palmer and L. N. Repina 1993Nevadiidae with glabella slightly tapered forward. Ocular lobes small, posterior tips about opposite SI or anterior part of Li. Width of interocular area equal to or greater than that of extraocular area. Thorax of 17 or 18 segments, maintaining width or widening slightly backward to eighth segment, then tapering posteriorly; posterior segment may be fused with anterior part of simple pygidium. Pleural spines short; pleural regions only slightly wider than axis.
L. E. Babcock and J. S. Peel 2007Glabella slightly tapering forward; ocular lobe relatively small, posterior opposite L1; interocular area narrower than extraocular area; genal spine short, rarely extending posteriorly beyond the first thoracic segment. Thorax with 17-18 segments; posterior segment may be fused with anterior part of simple pygidium; pleural spines short (exsag.), slender.