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Re-description and neotypification of Archamphiroa jurassica Steinmann 1930, a calcareous red alga from the Jurassic of Argentina

  • Ioan I. Bucur (a1), Wolfang Kiessling (a2) and Roberto A. Scasso (a3)


Archamphiroa jurassica was described by Steinmann (1930) from carbonate deposits of the Cordillera de los Andes in Mendoza, central Argentina (Arroyo Negro, confluent of Malargüe River), assigned to the Callovian stage. Based on the general morphology and the internal structure of the identified fragments, Steinmann considered them to belong to the coralline algae. Comparisons made with some fossil and extant corallines species led him to the conclusion that Archamphiroa jurassica closely resembles some species of the extant genus Amphiroa.



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