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Haccourtaster

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Haccourtaster was named by Jagt (2000). It is not extant. Its type is Haccourtaster aemstelensis.

It was assigned to Goniasteridae by Jagt (2000).

Species
H. aemstelensis (type species), H. hrbac

Synonymy list
YearName and author
2000Haccourtaster Jagt p. 408

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
Asterozoa()
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
genusHaccourtaster

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. †Haccourtaster Jagt 2000
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Haccourtaster hrbac Zitt 2005
Diagnosis
ReferenceDiagnosis
J. W. M. Jagt 2000Small, short-lived offshoot of Metopaster characterized by arched median marginals and short, enlarged ultimate superomargianls, all with a well-delimited central area bearing an ornament of highly subequal spine pits, and circular, irregularly distributed deep pits (? pedicellariae); distal and proximal articulation facets reduced, the internal face showing deep depressions on both sides of reduced intermarginal facet.