1. Species Benthoctopus abruptus (Sasaki, 1920) accepted as Muusoctopus abruptus (Sasaki, 1920)
2. Species Benthoctopus berryi G. C. Robson, 1924 accepted as Muusoctopus berryi (G. C. Robson, 1924) (unaccepted > superseded combination)
3. Species Benthoctopus canthylus G. L. Voss & Pearcy, 1990 accepted as Muusoctopus canthylus (G. L. Voss & Pearcy, 1990) (unaccepted > superseded combination)
4. Species Benthoctopus clyderoperi O'Shea, 1999 accepted as Muusoctopus clyderoperi (O'Shea, 1999) accepted as Vulcanoctopus clyderoperi (O'Shea, 1999) (unaccepted > superseded combination)
5. Species Benthoctopus eicomar Vega, 2009 accepted as Muusoctopus eicomar (Vega, 2009) (original combination)
6. Species Benthoctopus ergasticus (P. Fischer & H. Fischer, 1892) accepted as Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892)
7. Species Benthoctopus eureka (G. C. Robson, 1929) accepted as Muusoctopus eureka (G. C. Robson, 1929) (unaccepted > superseded combination)
8. Species Benthoctopus fuscus Taki, 1964 accepted as Muusoctopus fuscus (Taki, 1964) (original combination)
9. Species Benthoctopus hokkaidensis (S. S. Berry, 1921) accepted as Muusoctopus hokkaidensis (S. S. Berry, 1921)
10. Species Benthoctopus januarii (Hoyle, 1885) accepted as Muusoctopus januarii (Hoyle, 1885)
11. Species Benthoctopus johnsoniana [sic] accepted as Benthoctopus johnsonianus Allcock, Strugnell, Ruggiero & M. A. Collins, 2006 accepted as Muusoctopus johnsonianus (Allcock, Strugnell, Ruggiero & M. A. Collins, 2006) (wrong grammatical gender agreement of specific epithet)
12. Species Benthoctopus johnsonianus Allcock, Strugnell, Ruggiero & M. A. Collins, 2006 accepted as Muusoctopus johnsonianus (Allcock, Strugnell, Ruggiero & M. A. Collins, 2006)
13. Species Benthoctopus karubar Norman, Hochberg & Lu, 1997 accepted as Muusoctopus karubar (Norman, Hochberg & Lu, 1997) (original combination)
14. Species Benthoctopus leioderma (S. S. Berry, 1911) accepted as Muusoctopus leioderma (S. S. Berry, 1911)
15. Species Benthoctopus levis (Hoyle, 1885) accepted as Muusoctopus levis (Hoyle, 1885)
16. Species Benthoctopus longibrachus Ibáñez, Sepúlveda & Chong, 2006 accepted as Muusoctopus longibrachus (Ibáñez, Sepúlveda & Chong, 2006) (original combination)
17. Species Benthoctopus lothei (Chun, 1913) accepted as Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892)
18. Species Benthoctopus macrophallus G. L. Voss & Pearcy, 1990 accepted as Muusoctopus yaquinae (G. L. Voss & Pearcy, 1990) (unaccepted > junior subjective synonym)
19. Species Benthoctopus magellanicus G. C. Robson, 1930 accepted as Muusoctopus eureka (G. C. Robson, 1929) (unaccepted > junior subjective synonym)
20. Species Benthoctopus normani (Massy, 1907) accepted as Muusoctopus normani (Massy, 1907) accepted as Muusoctopus januarii (Hoyle, 1885)
21. Species Benthoctopus oregonae Toll, 1981 accepted as Muusoctopus oregonae (Toll, 1981) (original combination)
22. Species Benthoctopus oregonensis G. L. Voss & Pearcy, 1990 accepted as Muusoctopus oregonensis (G. L. Voss & Pearcy, 1990) (original combination)
23. Species Benthoctopus piscatorum (A. E. Verrill, 1879) accepted as Bathypolypus bairdii (A. E. Verrill, 1872) (unaccepted > junior subjective synonym)
24. Species Benthoctopus profundorum G. C. Robson, 1932 accepted as Muusoctopus profundorum (G. C. Robson, 1932) (unaccepted > superseded combination)
25. Species Benthoctopus pseudonymus (Grimpe, 1922) accepted as Muusoctopus pseudonymus (Grimpe, 1922)
26. Species Benthoctopus rigbyae Vecchione, Allcock, Piatkowski & Strugnell, 2009 accepted as Muusoctopus rigbyae (Vecchione, Allcock, Piatkowski & Strugnell, 2009) (original combination)
27. Species Benthoctopus robustus G. L. Voss & Pearcy, 1990 accepted as Muusoctopus robustus (G. L. Voss & Pearcy, 1990) (original combination)
28. Species Benthoctopus sasakii G. C. Robson, 1927 accepted as Bathypolypus arcticus (Prosch, 1849) (unaccepted > junior subjective synonym)
29. Species Benthoctopus sibiricus Løyning, 1930 accepted as Muusoctopus sibiricus (Loyning, 1930) (original combination)
30. Species Benthoctopus tangaroa O'Shea, 1999 accepted as Muusoctopus tangaroa (O'Shea, 1999) accepted as Vulcanoctopus tangaroa (O'Shea, 1999) (unaccepted > superseded combination)
31. Species Benthoctopus tegginmathae O'Shea, 1999 accepted as Muusoctopus tegginmathae (O'Shea, 1999) accepted as Vulcanoctopus tegginmathae (O'Shea, 1999) (unaccepted > superseded combination)
32. Species Benthoctopus thielei G. C. Robson, 1932 accepted as Muusoctopus thielei (G. C. Robson, 1932) (unaccepted > superseded combination)
33. Species Benthoctopus violescens Taki, 1964 accepted as Muusoctopus violescens (Taki, 1964)
34. Species Benthoctopus yaquinae G. L. Voss & Pearcy, 1990 accepted as Muusoctopus yaquinae (G. L. Voss & Pearcy, 1990) (original combination)

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