Omphalopagus

Definition: One of the most common type of conjoined twins, these individuals share an anterior connection of the trunk, usually at the abdomen, but the connection can range from the thorax down to the umbilicus. Omphalopagus twins may share a liver, gastrointestinal or genitourinary functions, bur rarely share a heart. There are four arms, four legs and two pelvises.

Examples:
Tiesha and Iesha Turner
Alaina and Xela Bryce
Andrew and Alex Olson
Kendra and Maliyah Herrin