IdNameAreaPercentage
M3.5Deepwater biogenic beds1984496259198.61745.004398851318825
M3.1Continental and island slopes1042222857430.816823.63552611921717
M3.3Abyssal plains1000318014247.310822.685208239961486
T6.1Ice sheets, glaciers and perennial snowfields166009055616.054263.7647527513570043
M3.2Submarine canyons147966184271.54043.355576581511545
M3.6Hadal trenches and troughs60551583447.257881.3731885862257855
M3.4Seamounts, ridges and plateaus5160334400.7635920.11702604451969524
T6.2Polar/alpine cliffs, screes, outcrops and lava flows2836354014.60410170.06432282588848497