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Lophidiaster

Asteroidea - Paxillosida - Astropectinidae

Taxonomy
Lophidiaster was named by Spencer (1913) [Sepkoski's age data: K Albi-l T Mi-l-u]. It is not extant.

It was assigned to Astropectinidae by Spencer (1913); to Astropectininae by Spencer and Wright (1966); and to Paxillosida by Sepkoski (2002).

Synonymy list
YearName and author
1913Lophidiaster Spencer
1966Lophidiaster Spencer and Wright p. U46
2002Lophidiaster Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyAstropectinidae
subfamilyAstropectininae
genusLophidiaster

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. †Lophidiaster Spencer 1913
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Lophidiaster concavus Rasmussen 1972
Lophidiaster haunsbergensis Rasmussen 1972
Lophidiaster hawkinsi Mercier 1935
Lophidiaster inversus Rasmussen 1972
Lophidiaster ornatus Spencer 1913
Lophidiaster postornatus Rasmussen 1945
Lophidiaster punctatus BrĂ¼nnich-Nielsen 1943
Lophidiaster pygmaeus Spencer 1913
Lophidiaster silentiensis McLearn 1944
Diagnosis
ReferenceDiagnosis
W. K. Spencer and C. W. Wright 1966Intermarginal facet small, rounded. Inferomarginal with rugosities but no horseshoe-shaped tubercles. Typical paxillae.