Dasybranchus caducus (Grube, 1846)
Dasybranchus caducus Monro, 1928:97; Monro 1933: 1039; Fauvel 1943: 26; Rioja 1947: 523.
Type locality.
Mediterranean Sea.
Type material.
Not seen
Material examined.
Not seen
Records.
México, Baja California Sur, Gulf of California, La Paz Bay, El Mogote Beach (Rioja 1947); Lagoon of the San José Island (Fauvel 1943); Panamá (Monro 1928) Galápagos Islands (Monro 1933).
Remarks.
The material examined by Fauvel (1943) was not found in the MNHN, and the specimens reported for México by Rioja (1947) are lost (Salazar-Vallejo 1989). In both cases Fauvel and Rioja, did not provide a complete description or illustrations of the morphological structures.