The peanut worm coexists at Cocorocas with the lamp shells and the small razor clam T.
Vargas (1987, 1988) also listed the presence of peanut worms (Sipuncula), Glottidia audebarti (Broderip, 1835) lamp shells (Brachiopoda) and acorn worms (Enteropneusta).
On July 6, October 2, and December 15, 2015, peanut worms (S.
The lamp shells, acorn worms and peanut worms include organisms that burrow in sediments of marine and estuarine habitats worldwide.
In this study we followed Cutler (1994) and Emig (1983, 1997) morphological criteria for the identification of the peanut worms as Sipunculus nudus and Apionsoma trichocephalus, and the lamp shells as Glottidia audebarti and G.