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Metopaster tenneseensis

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Metopaster tenneseensis was named by Wade (1926). It is not extant. Its type specimen is USNM, type specimen not yet identified.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1926Metopaster tenneseensis Wade pp. 27-28 figs. pl. 1 fig. 11-19
1948Metopaster tenneseensis Durham and Roberts p. 432

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

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.

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Diagnosis
ReferenceDiagnosis
B. Wade 1926Marginal plates thick and subequidimensional; form variable, roughly the shape of a section of a cylinder; outer surface a subrectangular section of the face of a cylinder; inner surface of plates subrectangular; end surfaces trigonal or quadrilateral, depending upon the position of the plate; outer surface of plates covered with an epidermal layer pitted with numerous small shallow holes of variable size and spacing; inner surface smooth, flat to concave. Width 5 mm., length 4 mm., thickeness 3 mm.