Sepia angulata is a species of cuttlefish native to the southeastern Atlantic Ocean, from Bloubergstrand to Still Bay. It is known only from cuttlebones. The validity of S. angulata has been questioned.
Sepia baxteri is a species of cuttlefish native to the southwestern Pacific Ocean, specifically the waters around Lord Howe Island. It is known only from the type cuttlebones. Depth range is unknown.
Sepia bidhaia is a species of cuttlefish native to the southwestern Pacific Ocean, specifically the waters off the Great Barrier Reef. It lives at a depth of between 200 and 304 m.
Sepia confusa is a species of cuttlefish native to the southwestern Indian Ocean, specifically southeastern Africa from Port Elizabeth to southern Mozambique, Zanzibar and Pemba, and Madagascar. S. confusa has also been erroneously recorded from the Arabian Sea. A record from the Saya-de-Malha Bank has not been confirmed by recent expeditions. The species lives at a depth of between 53 and 352 m.
Sepia dubia is a species of cuttlefish native to the southeastern Atlantic Ocean. It is known only from the type locality, where it was caught at a depth of 25 m.
Sepia hieronis is a species of cuttlefish native to the southeastern Atlantic Ocean and southwestern Indian Ocean, specifically southern Namibia, from approximately 27°S to Port Alfred, South Africa, and east Africa from 17°S to Kenya and Mozambique. It is also present in the Saya-de-Malha Bank. It lives at depths of between 43 and 500 m, although it is most abundant at 110 to 250 m depth.
Sepia incerta is a species of cuttlefish native to the southwestern Indian Ocean, specifically south and east Africa, from Port Elizabeth to Mozambique. It is also present in the Saya-de-Malha Bank. S. incerta lives at a depth of between 90 and 345 m.
Sepia koilados is a species of cuttlefish native to the southeastern Indian Ocean, specifically the North West Shelf in western Australia. It lives at depths of between 182 and 203 m.
Sepia mira is a species of cuttlefish native to the southwestern Pacific Ocean, specifically from the mouth of Clarence River, New South Wales to off Wooli in Australia. It lives at depths of between 20 and 72 m.
Sepia novaehollandiae is a species of cuttlefish native to the southern Indo-Pacific. Its natural range stretches from Shellharbour, New South Wales to North West Shelf in Western Australia. It lives at depths of between 15 and 348 m.
Sepia plana is a species of cuttlefish native to the coast of Australia, specifically the North West Shelf. However, cuttlebones of this species have also been found off eastern Australia, suggesting that it may have a wider distribution. S. plana lives at depths of between 396 and 505 m.
Sepia reesi is a species of cuttlefish native to the southeastern Indian Ocean. Cuttlebone of this species known only from the type locality.
Sepia rhoda is a species of cuttlefish native to the Indo-Pacific, specifically from the Arafura Sea to the North West Shelf, both off Australia. It lives at depths of between 64 and 184 m.
Sepia senta is a species of cuttlefish native to the southeastern Indian Ocean, specifically the North West Shelf in Western Australia. It is possibly also present in Indonesia. Reid et al. (2005) note that "a very similar, probably closely related animal has been found in the Philippines". S. senta lives at depths of 256 to 426 m.
Sepia sewelli is a species of cuttlefish native to the western Indian Ocean, from Cape Guardafui, Somalia to Zanzibar and probably Madagascar. It lives at depths of 37 to 238 m.
Sepia tanybracheia is a species of cuttlefish native to the southeastern Indian Ocean. It is known only from the type locality. S. tanybracheia lives at depths of 200 to 205 m.
Sepia thurstoni is a species of cuttlefish native to the Indian Ocean, specifically the waters off Chennai in India and off Negombo and Hambantota in Sri Lanka. It lives at depths of 20 to 40 m.
Sepia typica is a species of cuttlefish native to the southwestern Indian Ocean and southeastern Atlantic Ocean. Its natural range stretches from Saldanha Bay, South Africa to southern Mozambique. It lives at depths of 2 to 290 m.
Sepia vercoi is a species of cuttlefish native to the southeastern Indian Ocean, specifically the waters off Western Australia. It lives at depths of 76 to 201 m.
Sepia filibrachia is a species of cuttlefish native to the South China Sea. Its natural range covers the waters off Taiwan, Haikou on Hainan Island, and Guryanova in the Gulf of Tonkin, Vietnam. It lives at depths of 34 to 95 m.
