Proconsul africanus Skull, reconstruction Dimetrodon the first four pairs of

the first four pairs of legs were used for walking and the fifth pair was modified into a set of paddle-like flippers

which is related to lungfishes and tetrapods

approximately 164 million years ago

the Mongolian species

Proconsul africanus Skull, reconstruction Dimetrodon the first four pairs ofProconsul africanus Skull 14 to 23 Million Years. The Proconsul africanus skull was discovered by Mary Leakey in 1948 on Rusinga Island, Kenya. This specimen, based on the 1948 Leakey discovery, is the most complete Proconsul africanus cranium to date. Alan Walker reclassified Proconsul africanus, a Miocene hominoid, as heseloni in 1993. The skull is characterized by the absence of browridges (unlike in modern apes) and the presence of a projecting