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Trigonia Primaeva
''Trigonia'' is an extinct genus of saltwater clams, fossil marine bivalve mollusk in the family Trigoniidae. The fossil range of the genus spans the Paleozoic, Mesozoic and Paleocene of the Cenozoic, from 298 to 56 Ma. Description The genus ''Trigonia'' is the most readily identifiable member of the family Trigoniidae, having a series of strong ribs or costae along the anterior part of the shell exterior. They are the first representatives of the family to appear in the Middle Triassic ( Anisian) of Chile and New Zealand. The first European examples (''Trigonia costata'' Parkinson) appear in the Lower Jurassic ( Toarcian) of Sherborne, Dorset and Gundershofen, Switzerland. Species The following ''Trigonia'' species have been described:''Trigonia'' at |
Permian
The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleozoic Era; the following Triassic Period belongs to the Mesozoic Era. The concept of the Permian was introduced in 1841 by geologist Sir Roderick Murchison, who named it after the region of Perm in Russia. The Permian witnessed the diversification of the two groups of amniotes, the synapsids and the sauropsids ( reptiles). The world at the time was dominated by the supercontinent Pangaea, which had formed due to the collision of Euramerica and Gondwana during the Carboniferous. Pangaea was surrounded by the superocean Panthalassa. The Carboniferous rainforest collapse left behind vast regions of desert within the continental interior. Amniotes, which could better cope with these drier conditions, rose to dominance in place of their am ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cenozoic
The Cenozoic ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterised by the dominance of mammals, birds and flowering plants, a cooling and drying climate, and the current configuration of continents. It is the latest of three geological eras since complex life evolved, preceded by the Mesozoic and Paleozoic. It started with the Cretaceous–Paleogene extinction event, when many species, including the non-avian dinosaurs, became extinct in an event attributed by most experts to the impact of a large asteroid or other celestial body, the Chicxulub impactor. The Cenozoic is also known as the Age of Mammals because the terrestrial animals that dominated both hemispheres were mammalsthe eutherians (placentals) in the northern hemisphere and the metatherians (marsupials, now mainly restricted to Australia) in the southern hemisphere. The extinction of many groups allowed mammals and birds to greatly diversify so that l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caldas Department
Caldas () is a department of Colombia named after Colombian patriotic figure Francisco José de Caldas. It is part of the Paisa Region and its capital is Manizales. The population of Caldas is 998,255, and its area is 7,291 km². Caldas is also part of the Colombian Coffee-Growers Axis region along with the Risaralda and Quindio departments. Subdivisions Municipalities # Aguadas # Anserma # Aranzazu # Belalcázar # Chinchiná # Filadelfia # La Dorada # La Merced # Manizales # Manzanares # Marmato # Marquetalia # Marulanda # Neira # Norcasia # Pácora # Palestina # Pensilvania # Riosucio # Risaralda # Salamina # Samaná # San José # Supía # Victoria # Villamaría # Viterbo Viterbo (; Viterbese: ; lat-med, Viterbium) is a city and ''comune'' in the Lazio region of central Italy, the capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in its early history. ... Districts Caldas has 6 dist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valle Alto Formation
The Valle Alto Formation ( es, Formación Valle Alto, Jva) is a geological formation of the Central Ranges of the Colombian Andes. The formation is composed of shales, sandstones and conglomerates and dates to the Late Jurassic period. Ammonites and fossil flora have been found in the Valle Alto Formation. Etymology The formation was described and named in 1977 by González et al. after Hacienda Valle Alto, San Félix, Caldas.Moreno Sánchez et al., 2007Mojica, 1984, p.132 Lithologies The Valle Alto Formation is composed of shales, sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...s and conglomerates.Isagen, 2009, p.9 Stratigraphy, age and depositional environment The Valle Alto Formation, part of the Quebradagrande Complex, is not defined as a proper forma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copacabana Formation
Copacabana most commonly refers to: * Copacabana, Rio de Janeiro, Brazil. Copacabana may also refer to: Places * Copacabana, Catamarca, Argentina * Copacabana, Bolivia * Copacabana Municipality, Bolivia * Fort Copacabana, Brazil * Copacabana, Antioquia, Colombia * Copacabana, New South Wales, Gosford, NSW, Australia * Copacabana Beach in Dubrovnik, Croatia, a lesser-known beach by that name * Copacabana bus terminus, Harare, Zimbabwe Arts and entertainment * "Copacabana" (song), a 1978 song by Barry Manilow ** ''Copacabana'' (1985 film), a 1985 musical TV film based on the song *** '' Copacabana: The Original Motion Picture Soundtrack Album'', soundtrack album for the TV film ** ''Copacabana'' (musical), a 1994 musical based on the song and the TV film *** '' Copacabana: Original London Cast Recording'' * ''Copacabana'' (Sarah Vaughan album), a 1979 album by Sarah Vaughan * ''Copacabana'' (1947 film), starring Groucho Marx and Carmen Miranda * ''Copacabana'' (2010 f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fossilworks
Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms. History The Paleobiology Database (PBDB) originated in the NCEAS-funded Phanerozoic Marine Pale ..., a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was created in 1998 by John Alroy and is housed at Macquarie University. It includes many analysis and data visualization tools formerly included in the Paleobiology Database.{{cite web, title=Frequently asked questions, url=http://www.fossilworks.org/cgi-bin/bridge.pl?page=FAQ, publisher=Fossilworks, access-date=17 December 2021 References {{Reflist External links {{Wikidata property, P842 * [Baidu] |
University Of Birmingham
, mottoeng = Through efforts to heights , established = 1825 – Birmingham School of Medicine and Surgery1836 – Birmingham Royal School of Medicine and Surgery1843 – Queen's College1875 – Mason Science College1898 – Mason University College1900 – gained university status by royal charter , city = Birmingham , province = West Midlands , country = England, UK , coor = , campus = Urban, suburban , academic_staff = 5,495 (2020) , administrative_staff = , head_label = Visitor , head = The Rt Hon Penny Mordaunt MP , chancellor = Lord Bilimoria , vice_chancellor = Adam Tickell , type = Public , endowment = £134.5 million (2021) , budget = £774.1 million (2020–21) , students = () , undergrad = () , postgrad = () , affiliations = Universitas 21Universities UK EUA ACUSutton 13Russell Group , free_label = , free = , colours = The University , website = , logo = The University of Birmingham (informally Birmingham University) i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sherborne
Sherborne is a market town and civil parish in north west Dorset, in South West England. It is sited on the River Yeo, on the edge of the Blackmore Vale, east of Yeovil. The parish includes the hamlets of Nether Coombe and Lower Clatcombe. The A30 road, which connects London to Penzance, runs through the town. In the 2011 census the population of Sherborne parish and the two electoral wards was 9,523. 28.7% of the population is aged 65 or older. Sherborne's historic buildings include Sherborne Abbey, its manor house, independent schools, and two castles: the ruins of a 12th-century fortified palace and the 16th-century mansion known as Sherborne Castle built by Sir Walter Raleigh. Much of the old town, including the abbey and many medieval and Georgian buildings, is built from distinctive ochre-coloured ham stone. The town is served by Sherborne railway station. Toponymy The town was named ''scir burne'' by the Saxon inhabitants, a name meaning "clear stream", after a broo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toarcian
The Toarcian is, in the ICS' geologic timescale, an age and stage in the Early or Lower Jurassic. It spans the time between 182.7 Ma (million years ago) and 174.1 Ma. It follows the Pliensbachian and is followed by the Aalenian. The Toarcian Age began with the Toarcian turnover, the extinction event that sets its fossil faunas apart from the previous Pliensbachian age. It is believed to have ended with a global cooling event known as the Comptum Cooling Event, although whether it represented a worldwide event is controversial. Stratigraphic definitions The Toarcian takes its name from the city of Thouars, just south of Saumur in the Loire Valley of France. The stage was introduced by French palaeontologist Alcide d'Orbigny in 1842, after examining rock strata of this age in a quarry near Thouars. In Europe this period is represented by the upper part of the Lias. The base of the Toarcian is defined as the place in the stratigraphic record where the ammonite genus '' Eoda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anisian
In the geologic timescale, the Anisian is the lower stage or earliest age of the Middle Triassic series or epoch and lasted from million years ago until million years ago. The Anisian Age succeeds the Olenekian Age (part of the Lower Triassic Epoch) and precedes the Ladinian Age. Stratigraphic definitions The stage and its name were established by Austrian geologists Wilhelm Heinrich Waagen and Carl Diener in 1895. The name comes from ''Anisus'', the Latin name of the river Enns. The original type locality is at Großreifling in the Austrian state of Styria. The base of the Anisian Stage (also the base of the Middle Triassic series) is sometimes laid at the first appearance of conodont species '' Chiosella timorensis'' in the stratigraphic record. Other stratigraphers prefer to use the base of magnetic chronozone MT1n. There is no accepted global reference profile for the base, but one ( GSSP or golden spike) was proposed at a flank of the mountain Deşli Caira in the Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
