Sepia bartletti is a species of cuttlefish native to the western Pacific Ocean. It is known only from the type locality. Depth range is unknown. Some authorities regard S. bartletti as a nomen dubium.
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 chirotrema is a species of cuttlefish native to the southern Indo-Pacific, specifically from Investigator Strait, southern Australia to Dirk Hartog Island, western Australia. It lives at a depth of between 120 and 210 m.
Sepia cottoni is a species of cuttlefish native to the southeastern Indian Ocean, specifically from northwest of Broome (17°31' S) to Armstrong Point, Rottnest Island (32°0' S). It lives at a depth of between 83 and 183 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 irvingi is a species of cuttlefish native to the southeastern Indian Ocean, specifically western Australia, from Cockburn Sound to North West Shelf. It lives at a depth of between 130 and 170 m.
Sepia kiensis is a species of cuttlefish native to the Indo-Pacific, specifically the Kai Islands, possibly to Timor and northern Australia. It lives at depth to 256 m. The validity of S. kiensis has been questioned.
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 limata is a species of cuttlefish native to the southwestern Pacific Ocean, specifically southern Queensland to New South Wales, Australia. It lives at depths of between 17–183 metres (56–600 ft).
Sepia mascarensis is a species of cuttlefish native to the western Indian Ocean, specifically Saya-de-Malha Bank, Mascarene Ridge, and Cargados-Carajos Shoals. It lives at depths of between 87 and 325 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 papillata is a species of cuttlefish native to the southeastern Atlantic Ocean and southwestern Indian Ocean. Its natural range stretches from Lüderitz Bay, South Africa, to the coast of KwaZulu-Natal off the Tugela and Umvoti Rivers. It is also present in Mascarene Ridge. It lives at depths of between 26 and 210 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 plathyconchalis is a species of cuttlefish native to the western Indian Ocean, specifically the Saya-de-Malha Bank, Cargados-Carajos Shoals, and St Brandon Shoals. It lives in shallow waters at depths of between 25 and 63 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 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 tenuipes is a species of cuttlefish native to the western Pacific Ocean. Its natural range covers the waters off eastern Honshū and the western Japan Sea to the south of Kyūshū, the East China Sea, and Korea. S. tenuipes lives at depths of 100 to 250 m.
