The description of Metacanthocephalus (Bimuscularis) rennicki inflatus n. subgen., n. subsp. (Acanthocephala: Leptorhynchoididae) from Notothenia coriiceps off Galindez Island, West Antarctica, with the erection of two new subgenera and subspecies

Key Points

• Metacanthocephalus rennicki inflatus n. subgen., n. subsp. was identified from Notothenia coriiceps.
• The findings enhance our understanding of acanthocephalan diversity in the Antarctic region.
• Using morphological and taxonomic analysis, the new classifications were established based on specimen evidence.
• These new categorizations highlight the complexity of marine ecosystems in West Antarctica.