1: vertically divided anterior leading to vertical mouth; resembles “hare lip”.
2: oral veil rolled into oral tentacles.
3: flap hanging from oral tentacle, often curled up in front of mouth.
4: cephalic tentacles enrolled with edges fused on basal half; resemble a hare’s ears.
Blue-black eye on slightly raised mound of translucent unpigmented epithelium resembling whitish iris.

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