Sentences with phrase «rudolfensis in»

Not exact matches

Authors David Lordkipanidze, Marcia S. Ponce de León, Ann Margvelashvili, Yoel Rak, G. Philip Rightmire, Abesalom Vekua and Christoph P. E. Zollikofer say significant anatomical features of this skull can be found in earlier fossils assigned to the genus Homo, such as H. habilis, H ergaster and H. rudolfensis, and argue all comprise a single species within the genus Homo, with less variation among them than can be found within contemporary Homo sapiens.

Fossils of Homo habilis and Homo rudolfensis were found in the sediment and date to approximately 2 to 1.6 million years ago.

Due to this problem, competing ideas abound regarding the validity of rudolfensis and its proper place in hominid phylogeny.

The rudolfensis specimens have large brains in conjunction with megadont postcanines, and without postcranial evidence it is unknown whether these features are due to a larger body size than contemporary habilis specimens.

In 1986, Russian anthropologist Valerii Alexeev applied the species name of Pithecanthropus rudolfensis to ER 1470.

The large degree of variation in africanus shows that the degree of difference between rudolfensis and earlier africanus is such that attribution to differing species is not required.

The type specimen of Homo rudolfensis is KNM - ER 1470, discovered by Bernard Ngeneo at Koobi Fora, Kenya, in 1972.

Some see rudolfensis as the ancestor of habilis with a decrease in brain size occurring, and others see the two on completely different evolutionary lines.