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Coniophis
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cliff ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Platycarinatus
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Dabiebus
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Precedes
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Precedens
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Carinatus
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis Cosgriffi
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniophis
''Coniophis'' is an extinct genus of snakes from the late Cretaceous period. The type species, ''Coniophis precedes'', was about 7 cm long and had snake-like teeth and body form, with a skull and a largely lizard-like bone structure. It probably ate small vertebrates. The fossil remains of ''Coniophis'' were first discovered at the end of the 19th century in the Lance Formation of the US state of Wyoming, and were described in 1892 by Othniel Charles Marsh. For the genus ''Coniophis'', a number of other species have been described. Their affiliation is, however, poorly secured, mostly based on vertebrae descriptions from only a few fossils. Fossil distribution Fossils of ''Coniophis'' have been found in: ;Cretaceous * Milk River and Frenchman Formations, Canada (Alberta, Saskatchewan) * Intertrappean Beds, India * Wadi Milk Formation, Sudan * United States ** Hell Creek Formation, Montana ** Fruitland Formation, New Mexico ** Naturita, Cedar Mountain, Straight Cliff ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cedar Mountain Formation
The Cedar Mountain Formation is the name given to a distinctive sedimentary geologic formation in eastern Utah, spanning most of the early and mid-Cretaceous. The formation was named for Cedar Mountain (Utah), Cedar Mountain in northern Emery County, Utah, where William Lee Stokes first studied the exposures in 1944. Geology The formation occurs between the underlying Morrison Formation and overlying Naturita Formation (sometimes formerly called the Dakota Formation). It is composed of non-marine sediments, that is, sediments deposited in rivers, lakes and on flood plains. Based on various fossils and radiometric dating, radiometric dates, the Cedar Mountain Formation was deposited during the last half of the Early Cretaceous Epoch, about 127 - 98 million years ago (mya). It has lithography similar to the Burro Canyon Formation in the region. Dinosaur fossils occur throughout the formation, but their study has only occurred since the early 1990s. The dinosaurs in the lower part ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santa Lucía Formation
The Santa Lucía Formation is a Maastrichtian to Paleocene (Danian) geologic formation in Bolivia. Fossil ornithopod tracks have been reported from the Cretaceous lower part of the formation.Weishampel, et al., 2004, pp.517-607 It is the type formation of the Tiupampan South American land mammal age. Description The Santa Lucía Formation is a formation of the Potosí Basin in Bolivia dated to the Paleocene, 60 to 58.2 Ma.Sempere et al., 1997, p.709 It overlies the Cretaceous El Molino Formation and is overlain by the Cayara Formation. The formation is laterally equivalent with the Maíz Gordo Formation of northern Argentina,Sempere et al., 1997, p.712 and time-equivalent with the Salamanca Formation of Argentina, the Maria Farinha Formation of the Paraíba Basin in northern Brazil and the Guaduas Formation of the Altiplano Cundiboyacense and fossiliferous Cerrejón Formation of the Cesar-Ranchería Basin, Colombia. The thick formation consists of reddish sandy shales, mar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Milk River Formation
The Milk River Formation is a sandstone-dominated stratigraphic unit of the Western Canada Sedimentary Basin in southern Alberta, Canada. It was deposited in near-shore to coastal environments during Late Cretaceous (late Santonian to early Campanian) time. Based on uranium-lead dating, palynology and stratigraphic relationships, deposition occurred between ~84.1 and 83.6 Ma. The sandstones of the Virgelle Member in the centre of the formation are well-exposed at Writing-on-Stone Provincial Park in southwestern Alberta, where they bear petroglyphs carved into them by First Nations people. The formation is fossiliferous and has yielded an extensive vertebrate fauna (see Tables below), as well as fossil ammonites. In some areas it hosts shallow natural gas reservoirs.Payenberg, T.D.H., Braman, D.R. and Miall, A.D. 2003. Depositional environments and stratigraphic architecture of the Late Cretaceous and Eagle formations, southern Alberta and north-central Montana: Relationships to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Straight Cliffs Formation
The Straight Cliffs Formation is a stratigraphic unit in the Kaiparowits Plateau of south central Utah. It is Late Cretaceous (latest Turonian – early Campanian) in age and contains fluvial (river systems), paralic (swamps and lagoons), and marginal marine (shoreline) siliciclastic strata. It is well exposed around the margin of the Kaiparowits Plateau in the Grand Staircase – Escalante National Monument in south central Utah. The formation is named after the Straight Cliffs, a long band of cliffs creating the topographic feature Fiftymile Mountain. The Straight Cliffs Formation was deposited in a marginal marine basin system along the western edge of the Cretaceous Western Interior Seaway. It is bounded below by the Tropic Shale and above by the Wahweap Formation. A variety of fossil species have been found within the Straight Cliffs including ammonites, mollusks, foraminifera, ostracods, sharks, fish, amphibians, turtles, lizards, crocodyliforms, dinosaurs, and mammals. G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaiparowits Formation
The Kaiparowits Formation is a sedimentary rock formation found in the Kaiparowits Plateau in Grand Staircase–Escalante National Monument, in the southern part of Utah in the western United States. It is over 2800 feet (850 m) thick, and is Campanian in age. This Upper Cretaceous formation was formed from alluvial floodplains of large rivers in coastal southern Laramidia; sandstone beds are the deposit of rivers, and mudstone beds represent floodplain deposits. It is fossiliferous, with most specimens from the lower half of the formation, but exploration is only comparatively recent, with most work being done since 1982. It has been estimated that less than 10% of the Kaiparowits formation has been explored for fossils. Most fieldwork has been conducted by The Natural History Museum of Utah. Age Traditionally, the Kaiparowits Formation has been considered to be roughly equivalent in age to the northern Dinosaur Park Formation. This, combined with the differences in fauna betw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
