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Mistia

Asteroidea - Notomyotida - Benthopectinidae

Taxonomy
Mistia was named by Blake (1973) [Sepkoski's age data: T Ol-l]. It is not extant. Its type is Mistia spinosa.

It was assigned to Benthopectinidae by Blake (1973); to Benthopectininae by Blake (1984); and to Paxillosida by Sepkoski (2002).

Synonymy list
YearName and author
1973Mistia Blake p. 48
1984Mistia Blake p. 632
2002Mistia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderNotomyotida
familyBenthopectinidae
subfamilyBenthopectininae
genusMistia

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
D. B. Blake 1973Disk moderately large, with slender, tapering arms. Margins and aboral surface heavily spinose. Primary aboral ossicles large, conical, with single central base, surrounded by ring of smaller, generally inconspicuous bases. Marginal ossicles inflated, area of spine bases not distinctly more inflated than remainder of ossicle. Superomarginal with three principal spine bases, inferomarginal with one principal base. Adambulacral with two transverse principal spine bases, relatively small ad pm. Mouth ossicle with three large adradial triangularly arranged spine bases, three moderate-sized spine bases abradial to large group, peristomial margin with low spine bases.