Malumián, Norberto, and Eduardo B. Olivero. “Shallow-Water Late Middle Eocene Crinoids from Tierra Del Fuego: A New Southern Record of a Retrograde Community Structure”. Scientia Marina 69, no. S2 (December 30, 2005): 349–353. Accessed April 30, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/339.