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Myxinidae Hagfishes
- Eptatretus aceroi Seep Hagfish
- Eptatretus ancon Colombian Hagfish
- Eptatretus caribbeaus Caribbean Hagfish
- Eptatretus mendozai Puerto Rican Hagfish
- Eptatretus menezesi Brazilian Hagfish
- Eptatretus minor Gulf Hagfish
- Eptatretus multidens Manytoothed Hagfish
- Eptatretus springeri Springer's Hagfish
- Eptatretus wayuu Wayuu Hagfish
- Myxine affinis Magellan Hagfish
- Myxine australis Southern Hagfish
- Myxine debueni Debuen's Hagfish
- Myxine fernholmi Fernholm's Hagfish
- Myxine glutinosa Atlantic Hagfish
- Myxine jespersenae Whiteheaded Hagfish
- Myxine knappi Falklands Hagfish
- Myxine mccoskeri McCosker's Hagfish
- Myxine mcmillanae McMillan's Hagfish
- Myxine robinsorum Robinson's Hagfish
- Myxine sotoi Soto's Hagfish
- Nemamyxine kreffti Atlantic Worm Hagfish
- Notomyxine tridentiger Argentine Hagfish
- Rubicundus lopheliae Lophelia Hagfish