Cf. punctuated equilibrium and hopeful monsters. Samburu Hills: paleontological site found in 1984 in Northern Kenya, dated to about 9-7 mya (fauna, late Miocene), and that contains hominoid remains including a partial left maxilla (KNM-SH 8531) from the Namurungule Formation, attributed variously to the Hominoidea (incertae sedis) or to Samburupithecus kiptalami.
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speciation modes (... speciation, and sympatric speciation. See also primary speciation and secondary speciation.)
saltation (Leaping. 1. mutation. 2. mode of locomotion. Adjective: saltatory. 3. see saltational evolution ...)