As of 2015, separation of a genuinely shared heart has not offered survival to two twins; a designated twin may survive if allotted the heart, sacrificing the other twin. Omphalopagus (10%):  Two bodies fused at the lower abdomen. Unlike thoracopagus, the heart is never involved in these cases; however, the twins often share a liver, digestive system, diaphragm and other organs. Parasitic twins (10%): Twins that are asymmetrically conjoined, resulting in one twin that is small, less formed, and dependent on the larger twin for survival. Craniopagus (6%): Fused skulls, but separate bodies. These twins can be conjoined at the back of the head, the front of the head, or the side of the head, but not on the face or the base of the skull.Other, less common types of conjoined twins include:

Cephalopagus: Two faces on opposite sides of a single, conjoined head; the upper portion of the body is fused while the bottom portions are separate. These twins generally cannot survive due to severe malformations of the brain. Also known as janiceps (after the two-faced Roman deity Janus). Syncephalus: One head with a single face but four ears, and two bodies. Cephalothoracopagus: Bodies fused in the head and thorax. In this type of twins, there are two faces facing in opposite directions, or sometimes a single face and an enlarged skull. Xiphopagus: Two bodies fused in the xiphoid cartilage, which is approximately from the navel to the lower breastbone. These twins almost never share any vital organs, with the exception of the liver.
In the fourth season of the American television series American Horror Story titled American Horror Story: Freak Show, the main character Bette and Dot Tattler (Sarah Paulson in a dual role) are a dicephalic parapagus twin where their two heads are side by side on one torso. This performance is done with the help of CGI. In season two, episode eight of Rick and Morty, Michael and Pichael Thompson (voiced by Justin Roiland) are depicted as conjoined twins hosting separate TV shows at the same time. In the Cirque Du Soleil show Kurios: Cabinetes des Curiosities, a pair of conjoined twins are among the Seekers collection. They later split during an aerial straps duo and reunite for the rest of the show. The bilingual film Chaarulatha stars Priyamani as a conjoined twin. In the Disney-distributed movie Jagga Jasoos, starring Ranbir Kapoor and Katrina Kaif, Basheer Alexander is shown with two heads. On the television series Ruby Gloom, the characters Frank and Len are conjoined twins who comprise a rock group called RIP. In the film Monsters University, two of the members of the fictitious fraternity Oozma Kappa are named Terri and Terry Perry (voiced by Sean Hayes and Dave Foley). They are dicephalic parapagus twins where they have four arms and share the same tentacles that are in place of their legs. In the childrens cartoon Steven Universe, the Rutile twins are conjoined. Fire and Water are conjoined twins in Chris Abanis 2014 novel The Secret History of Las Vegas.