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Lepidasterella montanensis

Asteroidea - Hemizonida - Helianthasteridae

Taxonomy
Lepidasterella montanensis was named by Welsh (1984). Its type specimen is Holotype UM5476, paratypes UM5105, UM5477, UM5478 and is an impression. Its type locality is Bear Gulch (Carnegie Museum Collection), which is in an Arnsbergian open shallow subtidal limestone in the Heath Formation of Montana.

Synonymy list
YearName and author
1984Lepidasterella montanensis Welsh pp. 845-850 figs. figs. 1-4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classAsteroidea
orderHemizonida
familyHelianthasteridae
genusLepidasterella
speciesmontanensis

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. R. Welsh 1984Lepidasterella species characterized by robust size (10-18 cm diameter); large number of arms (27-35); and relatively large disc (R/r = 1.69-2.21)