Claim: Revista del Museo Argentino de Ciencias Naturales is a biannual (twice a year) journal that has an English and Spanish version that focuses on paleontology, botany, zoology, ecology, and geology.
Evidence: Biannual Revista del Museo Argentino de Ciencias Naturales is a peer-reviewed natural sciences journal published by the Museo Argentino de Ciencias Naturales (Argentine Museum of Natural Sciences). English, Spanish paleontology, botany, zoology, ecology, geology Semiannually, Biannually Twice per year