Martínez S, Moor R. Extinct and extant sand dollars (Clypeasteroida: Echinoidea) from Uruguay. Rev. Biol. Trop. [Internet]. 2005Dec.1 [cited 2024Apr.27];53(S3):1–7. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/26662