Sentences with phrase «gracile villafranchian»

Indeed evolution authorities Cherfas and Gribbin believe that a strong case can be made that the gracile forms are little more than varieties of extinct pygmy chimpanzees, while the robust forms are varieties of gorillas.7

Lacking, bony crests for heavy chewing muscles, the Gracile Australopithecines can be recognized by smaller cheek teeth that emphasize the anterior dentition.

The widely distributed Australian fossils include an extremely robust individual, Willandra Lakes hominid 50, which is so «primitive» that Thorne says, ``... this skull is so robust it makes the Kow Swamp ones look gracile!

Anatomical abbreviations: Gr = Gracile tract, Cu = Cuneate tract, dCST = dorsal cortico spinal tract, vCST = ventral cortico spinal tract, dc = decussation of the CST, pd = pyramid, pt = pyramidal tract or CST traversing pons and medulla, bp = basilar pons, NST nucleus of the solitary tract.

Except for having small rather than large teeth, and a quadrupedal rather than a bipedal pelvis, pygmy chimpanzees are remarkably like early gracile australopithecines in their skeletal dimensions.

The braincase is far more rounded and gracile than that of any ape, and the brain has a human rather than an apelike pattern (Tobias 1987).

«KNM - ER 1470, like other early Homo specimens, shows many morphological characteristics in common with gracile australopithecines that are not shared with later specimens of the genus Homo» (Cronin et al. 1981)

Detailed morphological comparisons (google e.g. marc verhaegen human evolution) suggest IMO that South - African australopiths are more related to Homo - Pan than to Gorilla, and East - African australopiths more to Gorilla than to Homo - Pan, and that the East - Africans & the South - Africans often evolved in parallel (allopatrically A.africanus - > robustus / / A.afarensis - > boisei), from more gracile to more robust, possibly in response to the same climatic changes (e.g. Pleistocene cooling & drying).

Their apparent invisibility, gracile bodies and delicate wings with long fringes resembling the mythical fairies have earned them their common name.

The modern human lineage is believed to have evolved from a line of gracile, or lightly built, australopithecines that goes back some 4 million years.

Domesticated animals also have more gracile builds, smaller teeth, flatter faces, a more striking range of coloration and hair types — and, in many breeds, floppy ears and curly tails.

In this habitat lived a lightly built or «gracile» australopithecine called Australo - pithecus africanus.

But perhaps the word «gracile» would be a better description of the...

A. africanus is closely related to Lucy and her kin (Australopithecus afarensis), the gracile hominids found in the East African Rift Valley at Hadar, at Laetoli in Tanzania and elsewhere.

Unlike the East African discoveries, all the southern gracile australopithecines were found in caves, but these hominids were probably not cave - dwellers.

Potential pandemic influenza strain H7N9's gracile structure is captured in a negatively stained transmission electron migrograph (TEM).