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head large, depressed, eyes on topD1: II-III
D2 & A long basesmouth wide, usually with tentaclesgill openings - side only
pelvic under operculum1-4 LL -
head: wide, flat, spiny
eyes on tophead: 1st D spine = fish polev wide mouth
teeth long, sharp -
head large, broad, top flattened; eyes aboveD 0/III-IVmouth large, vertical, lips with skin flapsbehind operculum: large spineA no spines