Jurassic - Law Dictionary Search Results
Home Dictionary Name: jurassicBelemnite
A conical calcareous fossil tapering to a point at the lower extremity with a conical cavity at the other end where it is ordinarily broken but when perfect it contains a small chambered cone called the phragmocone prolonged on one side into a delicate concave blade the thunderstone It is the internal shell of a cephalopod related to the sepia and belonging to an extinct family The belemnites are found in rocks of the Jurassic and Cretaceous ages...
Brontosaurus
A genus of large sauropod American dinosaurs of the jurassic era or an individual of that genus A length of sixty feet is believed to have been attained by these reptiles The genus is also called Apatosaurus and individuals of the genus are also called brontosaurs...
Camarasaurus
A genus of gigantic American Jurassic dinosaurs having large cavities in the bodies of the dorsal vertebraelig...
Ceratosaurus
A swift running bipedal carnivorous American Jurassic dinosaur allied to the European Megalosaurus The animal was nearly twenty feet in length and the skull bears a bony short horn between the nostrils on the united nasal bones See Illustration in Appendix...
Compsognathus
A genus of carnivorous Dinosauria found in the Jurassic formation with a slender body and remarkable for having several birdlike features It reached a length of 30 inches when adult...
Coniferophyta
a class of cone bearing gymnosperms dating from the Carboniferous most are substantial trees it includes the classes Pinopsida subdivision Pinophytina and Ginkgopsida subdivision Ginkgophytina and Taxopsida subdivision Taxophytina which in turn include the surviving orders Coniferales and Taxales yews and sometimes Ginkgoales as well as extinct orders such as Cordaitales of the Carboniferous and Permian and Volztiales of the Permian Jurassic...
Jurassic
Of the age of the middle Mesozoic about 190 to 140 million years ago including as divided in England and Europe the Lias Ooumllite and Wealden named from certain rocks of the Jura mountains It was noted for the predominance of dinosaurs on land and the development of the first birds and mammals...
Jura trias
A term applied to many American Mesozoic strata in which the characteristics of the Jurassic and Triassic periods appear to be blended...
Lias
The lowest of the three divisions of the Jurassic period a name given in England and Europe to a series of marine limestones underlying the Ooumllite See the Chart of Geology...
VerbarMorosaurus
An extinct genus of large herbivorous dinosaurs found in Jurassic strata in America...
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