Modern snakes are an extremely diverse clade of lizards with an improving fossil record that is revealing unexpected data on a large number of problematic snake anatomical features,i.e., the presence of small to large rear limbs1,2, the otic region and organization of the crista circumfenestral...
The skeleton should have the same number of connected components as the object, and each hole of the object should be surrounded by a loop of the skeleton; iv) Recoverability. The object should be recovered faithfully by the envelope of the discs centered on the skeleton points and with ...
Aardvarks have four front toes, all of which are fairly uniform in size and all have long and robust claws for tearing into termite mounds, but the mystery object has a very odd toe configuration, with every toe different in size and shape, with one enormous sickle-shaped third claw (also...
Snake vertebrae interlock firmly with one another; a hemispherical posterior projection from each articulates with an anterior concavity (i.e., a cup-shaped depression) on the vertebra in front of it. The freely moving joints permit a twisting movement, with extra support being gained by two ...