Category
page 1Abyssal plains
abyssal plain
flat area on the ocean floor
oceanic plateau
relatively flat submarine region that rises well above the level of the ambient seabed
Nansen Basin
abyssal plain in the Arctic Ocean
Amundsen Basin
abyssal plain in the Arctic Ocean

Arctic Basin
abyssal features within the Arctic Ocean
Eurasian Basin
Amerasian Basin
Abyssal hill
small hill that rises from the floor of an abyssal plain
Sigsbee Deep
deepest part of the Gulf of Mexico