1. The blood-vascular System of the Loricati, the mail-cheeked Fishes;Allen;Proceedings of the Washington Academy of Sciences,1905
2. Varasichthys ariasi n. gen. from the Upper Jurassic of Chile (Pisces, Teleostei, Varasichthyidae n. fam.);Arratia;Palaeontographica A,1981
3. A review of freshwater percoids from South America (Pisces, Osteichthyes, Percichthyidae and Perciliidae);Arratia;Abhandlungen der Senckenbergischen Naturforschenden Gesellschqft,1982a
4. Esqueleto caudal de peces siluriformes y sus tendencias evolutivas (Diplomystidae y Trichomycteridae);Arratia;Boletin Museo National de Historia Natural, Chile,1982b
5. The caudal skeleton of ostariophysan fishes (Teleostei): Intraspecific variation in Trichomycteridae (Siluriformes);Arratia;Journal of Morphology,1983