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Llandovacaste

Trilobita - Phacopida - Acastidae

Taxonomy
Llandovacaste was named by Edgecombe (1993) [Sepkoski's age data: S Ldov-m Sepkoski's reference number: 1055]. Its type is Acaste birminghamensis.

It was assigned to Phacopida by Sepkoski (2002); and to Acastidae by Edgecombe (1993) and Jell and Adrain (2003).

Synonymy list
YearName and author
1993Llandovacaste Edgecombe p. 538
2002Llandovacaste Sepkoski, Jr.
2003Llandovacaste Jell and Adrain p. 399

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
familyAcastidaeDelo 1935
genusLlandovacaste

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
G. D. Edgecombe 1993Auxilliary impression system including scars on median region of frontal glabellar lobe; genal angle with slender spine; pygidium large, faintly pointed posteromedially, with eight defined pleural furrows, 12 axial rings, posterior ring furrows curved backward medially; border strongly defined [plesiomorphies: LI long (exsag.); Sl inclined abaxially, with proximal bifurcation]