Carniaster orchardi n. gen. and sp. (Echinodermata: Asteroidea) is only the fourth Triassic asteroid known from material complete enough to warrant a generic name. Data indicating familial and ordinal positions are not available. All four Triassic genera belong to the exclusively post-Paleozoic crown group. Carniaster does not appear to differ significantly from other described Triassic genera. and it probably represents a broadly basal lineage within the crown group diversification. Available morphological data suggest no ecologic parameters that would be unusual among living asteroids. Carniaster is the first complete Triassic asteroid known from beyond Europe.
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Smithsonian Inst, Natl Museum Nat Hist, Dept Entomol, Washington, DC 20013 USASmithsonian Inst, Natl Museum Nat Hist, Dept Entomol, Washington, DC 20013 USA
Davis, Donald R.
Davis, Mignon M.
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Smithsonian Inst, Natl Museum Nat Hist, Dept Entomol, Washington, DC 20013 USASmithsonian Inst, Natl Museum Nat Hist, Dept Entomol, Washington, DC 20013 USA
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Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, Argentina
Fernandez, Diana E.
Perez, Damian E.
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Museo Ciencias Nat Bernardino Rivadavia, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, Argentina
Perez, Damian E.
Luci, Leticia
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Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, Argentina
Luci, Leticia
Carrizo, Martin A.
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Museo Ciencias Nat Bernardino Rivadavia, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ciencias Geol, Inst Estudios Andinos Don Pablo Groeber IDEAN CON, Buenos Aires, DF, Argentina
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Smithsonian Inst, Dept Paleobiol, Natl Museum Nat Hist, 10th St & Constitut Ave, Washington, DC 20560 USASmithsonian Inst, Dept Paleobiol, Natl Museum Nat Hist, 10th St & Constitut Ave, Washington, DC 20560 USA