Spelerpes collaris Stejneger, 1907, Proc. U.S. Natl. Mus., 32: 465. Holotype: USNM 37350, by original designation. Type locality: "Topaz mine, '90 miles NW. of Bluefields, and 50 miles back in direct line from the coast;' elevation 400 feet", Nicaragua.
Oedipus collaris — Dunn, 1924, Field Mus. Nat. Hist. Publ., Zool. Ser., 12: 99.
Oedipina collaris — Taylor, 1944, Univ. Kansas Sci. Bull., 30: 226.
Oedipina serpens Taylor, 1949, Univ. Kansas Sci. Bull., 33: 286. Holotype: KU 23815, by original designation. Type locality: "Morehead Finca [= Morehouse Finca], 5 miles southwest of Turrialba, [Cantón de Turrialba, Provincia de Cartago,] Costa Rica". Savage, 1974, Rev. Biol. Tropical, 22: 98, commented on the type locality. Synonymy by Brame, 1963, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 65: 3.
Oedipina (Oedipina) collaris — García-París and Wake, 2000, Copeia, 2000: 60.
Collared Worm Salamander (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 32).
Caribbean drainage of central-eastern Nicaragua, Costa Rica, to central Panama.
See account by Savage, 2002, Amph. Rept. Costa Rica: 151-152. Raffaëlli, 2007, Les Urodèles du Monde: 287, provided a brief account and map.
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