| Family | Genus | Species | Authority | Distribution | References |
| Echiuridae | Echiurus | antarcticus | Spengel 1912 | Continental | Wesenberg-Lund 1955 |
| Echiuridae | Ochetostoma | baronii | (Greeff 1879) | Continental | Schmiede & Videla 1995 |
| Urechidae | Urechis | chilensis | (Muller 1852) | Continental | Schmiede & Videla 1995 |
References
Schmiede, P. & Videla (1995) Ochetostoma baronii (Echiuridae) and Urechis chilensis (Urechidae), two echiuran worms from Coquimbo, Chile. Revista Chilena de Historia Natural, 68:303-309, 1995.
Wesenberg-Lund, E. (1955) Reports of the Lund University Chile Expedition 1948.49. 19. Gephyrea from Chile. Lunds University Arsskr AVD 2: 1-24.