Host: Balaenoptera borealis Lesson
Site in host: stomach
Locality: San Antonio Oeste, Río Negro province References: Leonardi et al. (2011)
Host: Cephalorhynchus commersonii (Lacépède) Site in host: stomach
Locality: Bahía Grande, Santa Cruz province Specimens in collections: BMNH (accession numbers not available)V References: Gibson and Harris (1979)