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Manidens
''Manidens'' is an extinct genus of heterodontosaurid dinosaur from the Early Jurassic of Patagonia. It is a sister taxon of the closesly related ''Pegomastax'' from South Africa. Fossils have been found in the Cañadón Asfalto Formation in Chubut Province, Argentina, dating to the Bajocian. Etymology The type species of ''Manidens'', ''Manidens condorensis'', was described in the journal Naturwissenschaften in 2011 in paleontology, 2011. ''Manidens'' was named in by Diego Pol, Oliver Rauhut and Marcos Becerra (paleontologist), Marcos Becerra. The generic name is derived from Latin ''manus'', "hand", and ''dens'', "tooth", a reference to the hand-shaped form of the posterior lower teeth. The specific name (zoology), specific name refers to the village of Cerro Cóndor, located near to the ''Queso Rallado'' site where the specimen was found by zoologist Guillermo Rougier. Description The holotype specimen of ''Manidens'', MPEF-PV 3211, consists of a partial skeleton with a sk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pegomastax
''Pegomastax'' is a genus of heterodontosaurid dinosaur that lived during the Early Jurassic of South Africa. The only known specimen was discovered in a 1966-1967 expedition in Transkei District of Cape Province, but wasn't described until 2012 when Paul Sereno named it as the new taxon ''Pegomastax africana''. The genus name is derived from the Greek for "strong jaw", and the species name describes the provenance of Africa; it was originally spelled ''africanus'', was corrected to ''africana'' to align with the gender of the genus name. The only known material of ''Pegomastax'' included a partial skull with well-preserved lower jaw and teeth, showing affinities for ''Heterodontosaurus'' and the group with a deep jaw, mobile , and a large canine tooth at the front of the snout. The front of the jaws would have supported a keratinous bill, and wear on the teeth suggests that ''Pegomastax'' had a herbivorous diet, possibly of tougher plant matter than relatives that lacked the ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cañadón Asfalto Formation
The Cañadón Asfalto Formation is a Lower Jurassic to Late Jurassic geologic formation, from the Jurassic period of the Mesozoic Era. Its age is controversial, uranium-lead dating of the volcanic tuff beds having given various different ages. A Recent work suggested that the base of the formation was formed around 171 Ma, during the upper Aalenian, while the main age for the Lower Las Chacritas Member being around 168 Ma, during the Bajocian, Bathonian and Callovian While the overlying Puesto Almada Member seems to be around 158 ma, or Oxfordian age, that changed thanks to the discovery of zircons near the location of discovery of '' Bagualia'', allowing a precise age of Las Charcitas Member as Middle-Late Toarcian, 178-179 million years, and a later study constrained the age of the formation as Middle Toarcian-Lower Bajocian, being contemporaneous to the Chon Aike volcanic activity, being a local equivalent to Antarctica's Mawson Formation. It is located in the Cañadón Asfa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterodontosaurid
Heterodontosauridae is a family of ornithischian dinosaurs that were likely among the most basal (primitive) members of the group. Their phylogenetic placement is uncertain but they are most commonly found to be primitive, outside of the group Genasauria. Although their fossils are relatively rare and their group small in numbers, they have been found on all continents except Australia and Antarctica, with a range spanning the Early Jurassic to the Early Cretaceous. Heterodontosaurids were fox-sized dinosaurs less than in length, including a long tail. They are known mainly for their characteristic teeth, including enlarged canine-like tusks and cheek teeth adapted for chewing, analogous to those of Cretaceous hadrosaurids. Their diet was herbivorous or possibly omnivorous. Description Among heterodontosaurids, only ''Heterodontosaurus'' itself is known from a complete skeleton. Fragmentary skeletal remains of ''Abrictosaurus'' are known but have not been fully described, ... [...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] |
Marcos Becerra (paleontologist)
Marcos E. Becerra (April 25, 1870 – January 7, 1940) was a Mexican prolific writer, poet, and politician. He produced pioneering historical, linguistic, philological, and ethnographic studies relating to his country's pre-Columbian and early colonial past. He held important posts in the Mexican Federal Government as well as in the state governments of Tabasco and Chiapas. He was a distinguished member of the Mexican Academy of History. Biography Marcos Enrique Becerra was born in Teapa, Tabasco, to Camilo Becerra y Ballinas, a native of San Cristóbal de las Casas, Chiapas, and Luisa Sánchez Formento. Becerra completed his early schooling in his hometown. In 1900, by way of independent study, he received a teaching degree from the Instituto Juárez of San Juan Bautista. During his youth he worked as a bookbinder, scribe, store clerk, theatre prompter, and, eventually, teacher. One of his very first published works, ''Guia del lenguaje usual para hablar con propiedad, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the Roman Republic it became the dominant language in the Italian region and subsequently throughout the Roman Empire. Even after the fall of Western Rome, Latin remained the common language of international communication, science, scholarship and academia in Europe until well into the 18th century, when other regional vernaculars (including its own descendants, the Romance languages) supplanted it in common academic and political usage, and it eventually became a dead language in the modern linguistic definition. Latin is a highly inflected language, with three distinct genders (masculine, feminine, and neuter), six or seven noun cases (nominative, accusative, genitive, dative, ablative, and vocative), five declensions, four verb conjuga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Specific Name (zoology)
In zoological nomenclature, the specific name (also specific epithet or species epithet) is the second part (the second name) within the scientific name of a species (a binomen). The first part of the name of a species is the name of the genus or the generic name. The rules and regulations governing the giving of a new species name are explained in the article species description. For example, the scientific name for humans is ''Homo sapiens'', which is the species name, consisting of two names: ''Homo'' is the " generic name" (the name of the genus) and ''sapiens'' is the "specific name". Historically, ''specific name'' referred to the combination of what are now called the generic and specific names. Carl Linnaeus, who formalized binomial nomenclature, made explicit distinctions between specific, generic, and trivial names. The generic name was that of the genus, the first in the binomial, the trivial name was the second name in the binomial, and the specific the proper term for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cerro Cóndor
Cerro Cóndor is a village and municipality in Chubut Province in southern Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th .... References Populated places in Chubut Province {{Chubut-geo-stub ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guillermo Rougier
Guillermo () is the Spanish form of the male given name William. The name is also commonly shortened to 'Guille' or, in Latin America, to nickname 'Memo'. People *Guillermo Amor (born 1967), Spanish football manager and former player *Guillermo Arévalo (born 1952), a Shipibo shaman and ''curandero'' (healer) of the Peruvian Amazon; among the Shipibo he is known as Kestenbetsa *Guillermo Barros Schelotto (born 1973), Argentine former football player *Guillermo Bermejo (born 1975), Peruvian politician * Guillermo C. Blest (1800–1884), Anglo-Irish physician settled in Chile * Guillermo Cañas, Argentine tennis player *Guillermo Chong, Chilean geologist * Guillermo Coria, another Argentine tennis player *Guillermo Dávila, Venezuelan actor and singer * Guillermo Díaz (actor) (born 1975), American actor of Cuban descent *Guillermo Diaz (basketball), Puerto Rican basketball player for the Los Angeles Clippers *Guillermo del Toro, Mexican filmmaker, screenwriter, producer, author, ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several examples, but explicitly designated as the holotype. Under the International Code of Zoological Nomenclature (ICZN), a holotype is one of several kinds of name-bearing types. In the International Code of Nomenclature for algae, fungi, and plants (ICN) and ICZN, the definitions of types are similar in intent but not identical in terminology or underlying concept. For example, the holotype for the butterfly '' Plebejus idas longinus'' is a preserved specimen of that subspecies, held by the Museum of Comparative Zoology at Harvard University. In botany, an isotype is a duplicate of the holotype, where holotype and isotypes are often pieces from the same individual plant or samples from the same gathering. A holotype is not necessarily "typ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diego Pol
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Skeleton
A skeleton is the structural frame that supports the body of an animal. There are several types of skeletons, including the exoskeleton, which is the stable outer shell of an organism, the endoskeleton, which forms the support structure inside the body, and the hydroskeleton, a flexible internal skeleton supported by fluid pressure. Vertebrates are animals with a vertebral column, and their skeletons are typically composed of bone and cartilage. Invertebrates are animals that lack a vertebral column. The skeletons of invertebrates vary, including hard exoskeleton shells, plated endoskeletons, or Sponge spicule, spicules. Cartilage is a rigid connective tissue that is found in the skeletal systems of vertebrates and invertebrates. Etymology The term ''skeleton'' comes . ''Sceleton'' is an archaic form of the word. Classification Skeletons can be defined by several attributes. Solid skeletons consist of hard substances, such as bone, cartilage, or cuticle. These can be further ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
