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Metopaster hypertelicus

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Metopaster hypertelicus was named by Breton (1992). It is not extant. Its type specimen is Muséum d'Histoire Naturelle of Le Havre, Holotype MHNH 8427, paratypes MHNH 8428. It was considered paraphyletic by Villier (1995).

Sister species lacking formal opinion data
M. tennesseensis

Synonymy list
YearName and author
1992Metopaster hypertelicus Breton pp. 179-185 figs. 79-80, pl. 18 fig. 1-11
1992Metopaster hypertelicus Breton et al. pp. 221-223 figs. 1-5
1995Metopaster hypertelicus Villier pp. 115-120 figs. 39-40, pl. 3 fig. 5-6, 8-11
1997Metopaster hypertelicus Breton pp. 139-141 fig. 3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
genusMetopaster
specieshypertelicus

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.

†Metopaster hypertelicus Breton 1992
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Diagnosis
ReferenceDiagnosis
G. Breton 1992Metopaster with very large enlarged ultimate superomarginal plates. Adradial articular face elongated pointed distally. Abactinal development robust, high, rounded to flattened, spatula-shaped, pointed abactino-distally. Enlarged ultimate superomarginal plates in contact with seven to eleven inferomarginal plates. Intermediate superomarginal and inferomarginal plates high, squared. Raised central area reduced, to the abradial side, especially in inferomarginals. Lateral faces concave with a thickened margin. Well-defined depressed margin. Raised central area with scattered granule-pits. Pedicellariae-pits rare, when present of wing-shape type.
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: Blake 1990, Aberhan et al. 2004, Aberhan 1992
Collections
No collection or age range data are available