Species Described in 1993 - Animals Described in 1993, Plants Described in 1993, Dilophosaurus, Ruptiliocarpon, Piperia Colemanii (Paperback)

Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Animals Described in 1993, Plants Described in 1993, Dilophosaurus, Ruptiliocarpon, Piperia Colemanii, Calponia Harrisonfordi, Underwood's Mussurana, Elaphoidella Amabilis, Branchinecta Sandiegonensis, Speleoithona Bermudensis, Canthocamptus Campaneri, Branchinecta Mexicana, Attheyella Yemanjae, Phyllodiaptomus Wellekensae, Streptocephalus Dendrophorus, Rhus Sekhukhuniensis, Cherax Parvus, Struszia Mccartneyi, Eucalyptus Zopherophloia, Euastacus Yigara, Cambarus Elkensis, Cambarus Subterraneus, Psalidopus Tosaensis, Longichela Orobica, Dolichognatha Ducke, Dolichognatha Maturaca. Excerpt: Dilophosaurus was a theropod dinosaur from the Sinemurian and Pliensbachian stages of the Early Jurassic Period. The name (pronounced ) means "two-crested lizard", from the two crests of the animal (Greek di for "two", lophos "crest", and sauros "lizard"). The first specimens were described in 1954, but it was not until over a decade later that the genus received its current name. Dilophosaurus is one of the earliest known Jurassic theropods and one of the least understood. Dilophosaurus has appeared several times in popular culture, such as in the 1993 film Jurassic Park. Size comparison of Dilophosaurus breedorum, D. wetherilli, Coelophysis bauri, and a human Reconstruction of Dilophosaurus wetherilliDilophosaurus measured around six meters (20 ft) long and may have weighed half a ton. The most distinctive characteristic of Dilophosaurus is the pair of rounded crests on its skull, possibly used for display. Studies by Robert Gay show no indication that sexual dimorphism was present in the skeleton of Dilophosaurus, but says nothing about crest variation. The teeth of Dilophosaurus are long, but have a fairly small base and expand basally. Another skull fe... More: http://booksllc.net/?id=444541