[1]
S. Martínez and C. J. Del Río, “A new, first fossil species of Ophioderma Mhller and Troschel, 1842 (Echinodermata: Ophiuroidea) (Late Miocene, Argentina)”, Zootaxa, vol. 1841, no. 1, pp. 43–52, Aug. 2008.