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Laudonia

Trilobita - Redlichiida - Olenellidae

Taxonomy
Laudonia was named by Harrington (1956) [Sepkoski's age data: Cm Boto-l Sepkoski's reference number: 476,885]. Its type is Laudonia bispinata.

It was assigned to Wanneriinae by Harrington (1956); to Olenellidae by Whittington et al. (1997); and to Olenellida by Sepkoski (2002).

Species
L. bispinata (type species), L. prima
Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1956Laudonia Harrington p. 60 figs. Pl. 15, fig. 4, 5; Text-fig. lF
1997Laudonia Whittington et al. p. 412
2002Laudonia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
familyOlenellidae
genusLaudonia

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.

Diagnosis
ReferenceDiagnosis
H. J. Harrington 1956Wannneriinae with well advanced genal spines. Metagenal spines well developed in adult. Metagenal angle slightly obtuse to slightly acute. Glabella with three pairs of lateral glabellar lobes and a pair of small depressions in front of the first lateral glabellar furrow. Glabella tapering backward. Frontal glabellar lobe ex- panded anteriorly, reaching the anterior border of cephalon. Eye lobes short, sub-median (slightly posterior) reaching level of anterior third of second (3p) lateral glabellar lobe. Posterior genal ridge conspicuous. Cephalic border wide, slightly raised and flat.