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Lacertasterias

Asteroidea - Euaxosida - Lacertasteridae

Taxonomy
Lacertasterias was named by Blake and Guensburg (1989) [Sepkoski's age data: C Tour-l]. It is not extant. Its type is Lacertasterias elegans. It is the type genus of Lacertasteridae.

It was assigned to Hemizonida by Blake and Guensburg (1989); to Pustulosida by Sepkoski (2002); and to Lacertasteridae by Blake (2018).

Species
L. elegans (type species)

Synonymy list
YearName and author
1989Lacertasterias Blake and Guensburg p. 336
2002Lacertasterias Sepkoski
2018Lacertasterias Blake p. 34

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEleutherozoa
Asterozoa()
classAsteroidea
orderEuaxosida
familyLacertasteridae
genusLacertasterias

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. †Lacertasterias Blake and Guensburg 1989
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Lacertasterias elegans Blake and Guensburg 1989
Diagnosis
ReferenceDiagnosis
D. B. Blake and T. E. Guensburg 1989Multiarmed asteroid; abactinal sturdy; marginals closely arranged, interdigitate, thickened, with smaller granular ossicles distributed among larger; ambulacrals and adambulacrals stout with large podial basins; adambulacrals tansversely rounded, wide distally on arm but narrowed proximally, approximately first eight abutted across interbrachium to form adoral carina; orals large, smooth, keel-like, with large torus bearing prominent spines fitted between oral pair.