Na váš dotaz astyanax-symmetricus bylo nalezeno 2 příspěvků.
Eigenmann, C. H. 1908. Preliminary descriptions of new genera and species of tetragonopterid characins. (Zoölogical Results of the Thayer Brazilian expedition.). Bull. Mus. Comp. Zool. v. 52 (no. 6): 91-106.
Baird, S. F. & Girard, C. F. 1854. Descriptions of new species of fishes collected in Texas, New Mexico and Sonora, by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, and in Texas by Capt. Stewart Van Vliet, U. S. A. Proceedings of the Academy of Natural Sciences of Philadelphia v. 7: 24-29.