ammonites
Cadulus nerta Caetano et al. 2006 (tusk shell)

Scaphopoda - Gadilida - Gadilidae

Full reference: C. H. S. Caetano, V. Scarabino, and R. S. Absalao. 2006. Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13° to 21°S) with descriptions of two new species of the genus Cadulus Philippi, 1844. Zootaxa 1267:1-47

Belongs to Cadulus according to C. H. S. Caetano et al. 2006

Sister taxa: Cadulus acuminatus, Cadulus bellulus, Cadulus caronensis, Cadulus conradi, Cadulus eliezeri, Cadulus infans, Cadulus jacksonensis, Cadulus newtonensis, Cadulus parianus, Cadulus phenax, Cadulus thallus, Cadulus yatalensis

Ecology: slow-moving shallow infaunal deposit feeder