Search results
Results from the WOW.Com Content Network
A = Anapsid, B = Synapsid, C = Diapsid. It was traditionally assumed that first reptiles were anapsids, having a solid skull with holes only for the nose, eyes, spinal cord, etc.; [10] the discoveries of synapsid-like openings in the skull roof of the skulls of several members of Parareptilia, including lanthanosuchoids, millerettids, bolosaurids, some nycteroleterids, some procolophonoids and ...
The Rattlesnake Fire was a wildfire started by an arsonist on July 9, 1953, in Powder House Canyon on the Mendocino National Forest in northern California. The wildfire killed one Forest Service employee and 14 volunteer firefighters from the New Tribes Mission , and burned over 1,300 acres (530 ha) before it was controlled on July 11, 1953.
How the Snake Lost Its Legs: Curious Tales from the Frontier of Evo-Devo is a 2014 book on evolutionary developmental biology by Lewis I. Held, Jr. The title pays homage to Rudyard Kipling 's Just So Stories , [ 1 ] [ a ] but the "tales" are strictly scientific, explaining how a wide range of animal features evolved, in molecular detail.
Since first appearing during the age of dinosaurs, snakes have authored an evolutionary success story - slithering into almost every habitat on Earth, from oceans to tree tops. Scientists ...
Common water snake Phyllorhynchus decurtatus: Western leaf-nosed snake Pituophis catenifer: Gopher snake Rhinocheilus lecontei: Long-nosed snake Salvadora hexalepis: Western patch-nosed snake Sonora annulata: Colorado Desert shovelnose snake Sonora semiannulata: Western ground snake Tantilla hobartsmithi: Southwestern blackhead snake Tantilla ...
It has two small hind legs and is considered a transitional form between Cretaceous lizards and limbless snakes. The feature, described as vestigial, was most likely useless to Eupodophis . [ 1 ] The type species Eupodophis descouensi was named in 2000 and resides now in the paleontology section of the Mim Museum in Beirut, Lebanon.
The skull of a snake differs from a lizards in several ways. Snakes have more flexible jaws, that is, instead of a juncture at the upper and lower jaw, the snake's jaws are connected by a bone hinge that is called the quadrate bone. Between the two halves of the lower jaw at the chin there is an elastic ligament that allows for a separation.
The Hughes Fire that started Wednesday and continued to burn Thursday is the latest in a series of disastrous blazes that have broken out in southern California since Jan. 7. Most have spread ...