Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Lanthanaster

Asteroidea - Platyasterida - Palasteriscidae

Taxonomy
Lanthanaster was named by Branstrator (1972) [Sepkoski's age data: O Ashg-l Sepkoski's reference number: 339]. It is not extant. Its type is Lanthanaster cruciformis.

It was assigned to Schuchertiidae by Branstrator (1972); to Hemizonida by Sepkoski (2002); to Palasteriscinae by Dean Shackleton (2005); and to Palasteriscidae by Blake and Rozhnov (2007).

Synonymy list
YearName and author
1972Lanthanaster Branstrator
2002Lanthanaster Sepkoski, Jr.
2005Lanthanaster Dean Shackleton pp. 94-95
2007Lanthanaster Blake and Rozhnov p. 521

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classAsteroidea
orderPlatyasterida
familyPalasteriscidae
genusLanthanaster

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
J. W. Branstrator 1972Schuchertiid sea stars exhibiting a single, large, thecal-bordering axillary inframarginal in each actinal interradius and thecal-bordering proximal inframarginals.
J. Dean Shackleton 2005Tear-drop shaped axillary.