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Metopaster bignoti

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Metopaster bignoti was named by Breton (1992). It is not extant. Its type specimen is Muséum d'Histoire Naturelle of Le Havre, Holotype MHNH 8426, Paratypes MHNH 8427. It was considered monophyletic by Villier (1995).

Sister species lacking formal opinion data
M. tennesseensis

Synonymy list
YearName and author
1992Metopaster bignoti Breton pp. 170-173 figs. 73, pl. 16 fig. 1-9
1995Metopaster bignoti Villier pp. 98-101 figs. 33, pl. 1 fig. 7-8

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

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 bignoti Breton 1992
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Diagnosis
ReferenceDiagnosis
G. Breton 1992Metopaster of medium to large size. Enlarged ultimate superomarginal plates elongate, higher than wide, with angular profile and domed elongate development at an abactino-abradial position. The plate is in contact five to six inferomarginals. Adradial face of articulation small, oval, elongated. Intermediate superomarginal and inferomarginal plates low, broader than long or squared. Intermediate superomarginal plates frequently with an abactinal dome. External face delineated by a medium depressed margin. Raised central area smooth or with few granule-pits.
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 1992, Aberhan et al. 2004, Blake 1990

Age range: Late/Upper Santonian or 85.70000 to 83.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Santonian85.7 - 83.6France Metopaster bignoti (59677)