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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
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
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.
Measurements
No measurements are available
Composition: high Mg calcitef
Ontogeny: accretion, addition of partsp
Environment: marinef
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: detritivoref
Vision: limitedc
Dispersal: waterf
Dispersal 2: planktonicf
Created: 2007-10-02 04:01:50
Modified: 2007-10-02 06:05:14
Source: f = family, c = class, p = phylum
References: Aberhan et al. 2004, Blake 1990, Aberhan 1992

Age range: base of the Early/Lower Turonian to the top of the Late/Upper Campanian or 93.50000 to 70.60000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian - Early/Lower Turonian99.6 - 89.3Czech Republic H. hrbac (58092 64035 64036 64037 64039 64040 64042)
Early/Lower Turonian93.5 - 89.3Czech Republic H. hrbac (90516)
Late/Upper Campanian83.5 - 70.6Belgium (Liege) H. aemstelensis (32147)