Iospilidae

Jiménez-Cueto, Soledad, Suárez-Morales, Eduardo & Salazar-Vallejo, Sergio I., 2006, Iospilids (Polychaeta: Iospilidae) from the northwest Caribbean Sea, with observations on reproductive structures, Zootaxa 1211, pp. 53-68 : 65

Key to species of Iospilidae from the Northwestern Atlantic region

1 Pharynx strong, muscular, with pair of long, falcate mandibles .... Phalacrophorus ... 2

­ Pharynx not particularly strong, unarmed ..................................... Iospilus phalacroides

2 First four segments with reduced parapodia ...................................................... P. pictus

­ First 8 or 10 segments with reduced parapodia........................................... P. uniformis