Twins
Atlas
Approaches to Twins classification.
Diagram of Monocephalus Diprosopus twins
Monocephalus Diprosopus twins, two eye balls, two noses and two mouths.

Monocephalus Diprosopus twins, nearly duplication with four eye balls, two noses and two mouths

Diagram of cephalothoracopagus syncephalus twins

A monster baby with two fused heads; 4 upper extremities and 4 lower extremities- cephalothoracopagus syncephalus

Diagram of parasitic fetus, a form of twinning
A part of incomplete fetus is attached to the right side of hip in a new born, a parasite fetus

Diagram of monocephalus dibrachius tripus twin
Twinning of the lower extremity, this child has 3 legs so called monocephalus tripus dibrachius
Twinning of the lower extremity, this child has 3 legs so called monocephalus tripus dibrachius