<unk> s Dipus: This is the rarest variety with the twins sharing two legs with no lower extremities on one side.<unk> s Tripus: This is the most common variety. These twins share three legs, the third leg is often two fused legs, or is non-functioning. The twins also usually share only one set of external genitalia.<unk> s Tetrapus/Quadripus: This variety has the twins at a symmetrical continuous longitudinal axis with their area of union not broken anteriorly. The axes extends in a straight line but in opposite directions. The lower extremities are oriented at right angles to the axes of the thorax and the adjacent limbs near the union of the ischium belong to the opposite twin.
Ischiopagi
DnaNudge
Lentigo
Ornge
Piblokto
Harmoni
SmarTeach
Morgue