1996 - present
The Museum reimagined its fossil halls in the 1990s. Chronologically arranged exhibits were updated to reflect evolutionary relationships. The Halls of Saurischian and Ornithischian Dinosaurs, the Lila Acheson Wallace Wing of Mammals and Their Extinct Relatives, which includes the Hall of Primitive Mammals and the Paul and Irma Milstein Hall of Advanced Mammals, the Hall of Vertebrates Origins, and the Miriam and Ira D. Wallach Orientation Center were the result of this rearrangement in exhibition (4, 1994/96, p. 5).
The Hall of Vertebrate Origins displays approximately 250 fossil specimens of the earliest vertebrates, animals that lacked a fully developed backbone but had a distinct head with a braincase; fishes, the most diverse group of vertebrates today; amphibians and their extinct early relatives, the first vertebrates to walk on land; crocodiles, turtles, lizards, snakes, and their relatives, the first animals to live entirely on land; giant marine reptiles such as plesiosaurs, mosasaurs, and ichthyosaurs; and flying reptiles known as pterosaurs, the first flying vertebrates (1).
This hall also features several exhibits that allow visitors to touch the fossilized remains of long-extinct animals. These “touch fossils” include a 100-million-year-old fish; the tooth of one of the largest sharks ever to have lived; and a vertebra from a plesiosaur, a marine animal. Other highlights include Stenopterygius quadriscissus, the jaws of Carcharodon megladon, and models of Coelocanth, Dunkleosteus (1).
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