Caetano, C.H.S., Scarabino, V. & Absalão, R.S. (2006)

Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13º to 21ºS) with descriptions of two new species of the genus Cadulus Philippi, 1844

. Zootaxa, 1267 (1), 1–47.