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Metopaster trichilae trichilae

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Metopaster trichilae trichilae was named by Breton (1992). It is not extant. Its type specimen is Holotype MHNH 8415, paratypes MHNH 8416-8420. It is the type subspecies of Metopaster trichilae.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1992Metopaster trichilae trichilae Breton pp. 161-169 figs. pl. 14-15

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
genusMetopaster
speciestrichilae
subspeciestrichilae

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.

Diagnosis
ReferenceDiagnosis
G. Breton 1992Enlarged ultimate superomarginal plates large, tall, elongated and relatively narrow, typically in contact with five inferomarginals. Abactinal bulge highly developed. Superomarginals tumid and inferomarginals high. Central area with a well-defined narrow depressed margin. Plates of large size, smoothed or rarely with few granule-pits in abradial side. Enlarged ultimate superomarginal plates of with indentation in abactino-distal position, which can modify outline of the adradial surface of articulation with the neighboring plate.