Zamparo, D. & Brooks, D.R. & Barriga, R. (1999)
Pararhinebothroides hobergi n. gen. n. sp. (Eucestoda: Tetraphyllidea) in Urobatis tumbesensis (Chondrichthyes: Myliobatiformes) from coastal Ecuador. Journal of Parasitology, 85(3), 534–539

Marques, F. & Brooks, D.R. & Barriga, R. (1997)
Six species of Acanthobothrium (Eucestoda: Tetraphyllidea) in stingrays (Chondrichthyes: Rajiformes: Myliobatoidei) from Ecuador. Journal of Parasitology, 83(3), 475–484

Brooks, D.R. & Barriga, R. (1995)
Serendip deborahae n. gen. and n. sp. (Eucestoda: Tetraphyllidea: Serendipidae n. fam.) in Rhinoptera steindachneri Evermann and Jenkins, 1891 (Chondrichthyes: Myliobatiformes: Myliobatidae) from southeastern Ecuador. Journal of Parasitology, 81(1), 80–84

Martin, A.P. & Bermingham, E. & Caira, J.N. & Ortega, H. & Machado-Allison, A. & Barriga, R. (1994)
Molecular systematics of freshwater and marine stingrays [Abstract]. American Elasmobranch Society 10th Annual Meeting, 2.–8. June 1994, University of Southern California, Los Angeles