Phyllobothrium sp.

Host: Mesoplodon layardii (Gray)

Site in host: blubber

Locality: San Matias Gulf (41ºS, 62ºW), Río Negro province References: Bordino and González (1992) Host: Otaria flavescens (Shaw)

Site in host: blubber

Locality: Argentina

References: Carrara (1952)