VILLALOBOS, C. R. <i>Ptychophallus costaricensis</i>, a new freshwater crab from Costa Rica. Revista de Biología Tropical, [S. l.], v. 21, n. 2, p. 197–203, 1973. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/27274. Acesso em: 19 dec. 2024.