Swing, K. (2012). Observations on the distribution and density of the rare and poorly known flower urchin, Toxopneustes roseus, (Phylum Echinodermata, Class Echinoidea, Family Toxopneustidae) in Ecuador. ACI Avances En Ciencias E IngenierĂ­as, 4(1). https://doi.org/10.18272/aci.v4i1.79