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Aristosaurus Erectus
''Aristosaurus'' is a dubious genus of sauropodomorph dinosaur from the Early Jurassic of southern Africa. Its only species is ''A. erectus''. ''Aristosaurus'' was named by Egbert Cornelis Nicolaas van Hoepen in 1920 based on a nearly complete skeleton found by quarry workers in the Clarens Formation in South Africa, and assigned to the family Anchisauridae. It was later assigned to the genera ''Gyposaurus'' and ''Massospondylus'', but has been listed as an indeterminate (dubious) sauropodomorph by two recent reviews. The only specimen might have been a juvenile individual as indicated by its small size. The strongly flattened skeleton, which is preserved on two slabs, is exhibited in the Ditsong National Museum of Natural History in Pretoria. Discovery The holotype skeleton of ''Aristosaurus'' was discovered by quarry workers while extracting building stones near Rosendal in South Africa's Free State province. The quarry workers split a stone, accidentally exposing a skele ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Early Jurassic
The Early Jurassic Epoch (geology), Epoch (in chronostratigraphy corresponding to the Lower Jurassic series (stratigraphy), Series) is the earliest of three epochs of the Jurassic Period. The Early Jurassic starts immediately after the Triassic–Jurassic extinction event, 201.3 Ma (million years ago), and ends at the start of the Middle Jurassic 174.7 ±0.8 Ma. Certain rocks of marine origin of this age in Europe are called "Lias Group, Lias" and that name was used for the period, as well, in 19th-century geology. In southern Germany rocks of this age are called Black Jurassic. Origin of the name Lias There are two possible origins for the name Lias: the first reason is it was taken by a geologist from an England, English quarryman's dialect pronunciation of the word "layers"; secondly, sloops from north Cornwall, Cornish ports such as Bude would sail across the Bristol Channel to the Vale of Glamorgan to load up with rock from coastal limestone quarries (lias and Carbonif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Free State (province)
The Free State ( ; ; ; ; ), formerly known as the Orange Free State, is a Provinces of South Africa, province of South Africa. Its capital is Bloemfontein, which is also South Africa's judicial capital. Its historical origins lie in the Boer republic called the Orange Free State and later the Orange Free State (province), Orange Free State Province. History The current borders of the province date from 1994 when the Bantustans were abolished and reincorporated into South Africa. It is also the only one of the four original provinces of South Africa not to undergo border changes, apart from the reincorporation of Bantustans, and its borders date from before the outbreak of the Boer War. Geography The Free State is situated on a succession of flat grassy plains sprinkled with pastureland, resting on a general elevation of 3,800 feet only broken by the occasional hill or kopje. The rich soil and pleasant climate allow for a thriving agricultural industry. The province is high ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anchisaurus Solus
''Anchisaurus'' is a genus of basal sauropodomorph dinosaur. It lived during the Early Jurassic Period, and its fossils have been found in the red sandstone of the Upper Portland Formation, Northeastern United States, which was deposited from the Hettangian age into the Sinemurian age, between about 200 and 192 million years ago.Olsen, P.E. (2002)STRATIGRAPHY AND AGE OF THE EARLY JURASSIC PORTLAND FORMATION OF CONNECTICUT AND MASSACHUSETTS: A CONTRIBUTION TO THE TIME SCALE OF THE EARLY JURASSIC. Session No. 26 Studies of Depositional Systems and Sedimentary Rocks: In Honor of Edward Scudder Belt. 37th Annual Meeting (March 25–27, 2002). Until recently it was classed as a member of Prosauropoda. The genus name ''Anchisaurus'' comes from the Greek ''αγχι'' (') ; "near, close" + Greek ('); "lizard". ''Anchisaurus'' was coined as a replacement name for "''Amphisaurus''", which was itself a replacement name for Hitchcock's "''Megadactylus''", both of which had already been used ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
