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Nanobamus
''Nanobamus'' is an extinct genus of amphibamiform temnospondyl amphibian. The type species is ''Nanobamus macrorhinus''. The type specimen is UCLAVP 3686, a skull recovered from the Lower Permian Arroyo Formation (Texas, United States). History of study UCLA VP 3686 was originally described by Olson (1985) as a larval " trematopsid" (now called 'trematopids'). Much of this referral was based on the elongate external naris, a feature that is well known in derived trematopids such as ''Acheloma ''Acheloma'' (also known as ''Trematops milleri'') is an extinct genus of temnospondyl that lived during the Early Permian. The type species is ''A. cumminsi''. History of study ''Acheloma'' was named by Edward Drinker Cope in 1882 based o ...,'' although the feature is not exclusive to trematopids or universally found in all trematopids. This identification was challenged by Dilkes (1991), who noted that the construction of the naris was different from that of trematopids, imp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2014 In Paleontology
Plants Cnidarians Newly described cnidarians Arthropods Bryozoans Newly described bryozoans Brachiopods Molluscs Echinoderms Conodonts Newly described conodonts Fishes Amphibians Basalmost tetrapods Temnospondyls Research * Specimens of ''Micromelerpeton crederni'' with abnormalities in their limbs interpreted as a result of limb regeneration are described by Fröbisch, Bickelmann and Witzmann (2014). * Redescription of '' Mahavisaurus dentatus'' and '' Lyrosaurus australis'' and a study on the phylogenetic relationships of the rhytidosteids is published by Maganuco, Pasini & Auditore (2014). New taxa Chroniosuchians Lissamphibians Research * The humerus bone of a large calyptocephalellid anuran, apparently one of the largest fossil anurans known to date, is described by Otero ''et al.'' (2014) from the Eocene of Chile. New taxa Reptiles Synapsids Non-mammalian synapsids Research * A study on the diel activity patterns of non-mammalian syn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibamiformes
Amphibamiformes is an unranked clade with Dissorophoidea created by Schoch (2018). It encompasses all of the taxa traditionally considered to be "amphibamids" (subsequently restricted to '' Doleserpeton annectens'' and '' Amphibamus grandiceps'' by Schoch), branchiosaurids, and hypothetically lissamphibians under the traditional temnospondyl hypothesis of lissamphibian origins. These taxa are typically small-bodied dissorophoids and form the sister group to Olsoniformes, which comprises dissorophids and trematopids. Diagnosis (1) Palatine and ectopterygoid reduced to narrow struts; (2) interpterygoid vacuity greatly expanded laterally; (3) humerus length:waist ratio of 6:10; (4) basioccipital and supraoccipital absent. Definition The most inclusive clade containing ''Amphibamus grandiceps'' but not '' Dissorophus multicinctus''. Phylogeny Simplified phylogeny of Dissorophoidea from Schoch (2018): The phylogeny of Amphibamiformes has historically been relatively unreso ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trematopidae
Trematopidae is a family of dissorophoid temnospondyl spanning the late Carboniferous to the early Permian. Together with Dissorophidae, the family forms Olsoniformes, a clade comprising the medium-large terrestrial dissorophoids. Trematopids are known from numerous localities in North America, primarily in New Mexico, Oklahoma, and Texas, and from the Bromacker quarry in Germany. History of study The clade Trematopidae was first proposed by American paleontologist S.W. Williston in 1910, although it was named as "Trematopsidae" following the historical (but inaccurate) derivation from the genus "''Trematops''" (now synonymized with ''Acheloma''). British paleontologist D.M.S. Watson proposed a related clade in 1919, Achelomidae, for ''Acheloma'', based on perceived differences separating the taxa; this is now considered a junior synonym of Trematopidae following guidelines of historical precedent. 19th century history In 1882, American paleontologist Edward Drinker Cope na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Early Permian
01 or '01 may refer to: * The year 2001, or any year ending with 01 * The month of January * 1 (number) Music * '01 (Richard Müller album), 01'' (Richard Müller album), 2001 * 01 (Son of Dave album), ''01'' (Son of Dave album), 2000 * 01 (Urban Zakapa album), ''01'' (Urban Zakapa album), 2011 * O1 (Hiroyuki Sawano album), ''O1'' (Hiroyuki Sawano album), 2015 * 01011001, the seventh studio album from Arjen Anthony Lucassen's Ayreon project Other uses * 01 (telephone number), United Kingdom internal dialing code for London between the late 1950s and 1990 * Lynk & Co 01, a compact SUV built since 2017 * Zero One also known as ''Machine City'', a city-state from the ''The Matrix (series), Matrix'' series * Kolmogorov's zero-one law, a law of probability theory * Pro Wrestling ZERO1-MAX, a wrestling promotion formerly known as Pro Wrestling ZERO-ONE * BAR 01, a Formula One chassis * The number of the French department Ain * The codename given to the Wing Gundam by Oz in the anime ''G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cisuralian Temnospondyls Of North America
The Cisuralian is the first series/epoch of the Permian. The Cisuralian was preceded by the Pennsylvanian and followed by the Guadalupian. The Cisuralian Epoch is named after the western slopes of the Ural Mountains in Russia and Kazakhstan and dates between 298.9 ± 0.15 – 272.3 ± 0.5 Mya. The Cisuralian is often synonymous with the informal terms early Permian or lower Permian. It corresponds approximately with the Wolfcampian in southwestern North America. The series saw the appearance of beetles and flies and was a relatively stable warming period of about 21 million years. Name and background The Cisuralian is the first series or epoch of the Permian. The Cisuralian was preceded by the last Pennsylvanian epoch (Gzhelian) and is followed by the Permian Guadalupian Epoch. The name "Cisuralian" was proposed in 1982, and approved by the International Subcommission on Permian Stratigraphy in 1996. The Cisuralian Epoch is named after the western slopes of the Ural Mountain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prehistoric Amphibian Genera
Prehistory, also known as pre-literary history, is the period of human history between the use of the first stone tools by hominins 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use of symbols, marks, and images appears very early among humans, but the earliest known writing systems appeared 5000 years ago. It took thousands of years for writing systems to be widely adopted, with writing spreading to almost all cultures by the 19th century. The end of prehistory therefore came at very different times in different places, and the term is less often used in discussing societies where prehistory ended relatively recently. In the early Bronze Age, Sumer in Mesopotamia, the Indus Valley Civilisation, and ancient Egypt were the first civilizations to develop their own scripts and to keep historical records, with their neighbors following. Most other civilizations reached the end of prehistory during the following Iron Age. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dissorophids
Dissorophidae is an extinct family of medium-sized, temnospondyl amphibians that flourished during the late Carboniferous and early Permian periods. The clade is known almost exclusively from North America. History of study Dissorophidae is a diverse clade that was named in 1902 by George A. Boulenger. Junior synonyms include Otocoelidae, Stegopidae, and Aspidosauridae. Early in the study of dissorophoids when the relationships of different taxa were not well-resolved and most taxa had not been described, Dissorophidae sometimes came to include taxa that are now not regarded as dissorophids and may have excluded earlier described taxa that are now regarded as dissorophids. Amphibamiforms were widely regarded as small-bodied dissorophids, and at one point, Dissorophidae was also suggested to also include Trematopidae. 19th century In 1895, American paleontologist Edward Drinker Cope named ''Dissorophus'' from the early Permian of Texas. This was the first dissorophid to be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibamids
The Amphibamidae are an extinct family of dissorophoid temnospondyls known from Late Carboniferous- Early Permian strata in the United States. Classification Amphibamidae has traditionally included small-bodied, terrestrial dissorophoids. The name is attributed to Moodie (1909), but it was rarely used because it originally referred only to ''Amphibamus''. Similar monogeneric families were also erected for other small, terrestrial dissorophoids (e.g., Doleserpetontidae), and most of the taxa now recognized as amphibamiforms were placed within the Dissorophidae. Clack & Milner (1993) revived the Amphibamidae to include ''Amphibamus, Platyrhinops, Doleserpeton,'' and ''Tersomius'.'' Daly (1994) further expanded the composition of the Amphibamidae to include the newly described ''Eoscopus'' as well as the Early Triassic form ''Micropholis''. She suggested that the micromelerpetids were also amphibamids, which has not been validated by more recent workers. Subsequent phylogenetic w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acheloma
''Acheloma'' (also known as ''Trematops milleri'') is an extinct genus of temnospondyl that lived during the Early Permian. The type species is ''A. cumminsi''. History of study ''Acheloma'' was named by Edward Drinker Cope in 1882 based on a partial skull with associated postcranial elements from the Arroyo Formation of Texas; the specimen is currently reposited at the American Museum of Natural History in New York. Subsequent discoveries of large trematopids from the Arroyo Formation were named as different species of ''Trematops'' (''T. milleri, T. willistoni''), but these have since been synonymized with ''Acheloma cumminsi''. ''Trematops stonei'' from the Washington Formation of Ohio and ''Trematops thomasi'' from Oklahoma have also been synonymized with ''A. cumminsi''. A second species of ''Acheloma'' was described by Polley & Reisz (2011) from the Richards Spur locality in Oklahoma. Anatomy Schoch & Milner (2014) provide nine characters in their diagnosis of ''A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations. The United States is also in free association with three Pacific Island sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Republic of Palau. It is the world's third-largest country by both land and total area. It shares land borders with Canada to its north and with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the most populous country in the Americas and the third most populous in the world. The national capital of the United States is Washington, D.C. and its most populous city and principal financial center is New York City. Paleo-Americ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arroyo Formation
The Arroyo Formation is a geologic formation in Texas.Arroyo Formation at .org It preserves dating back to the stage of the . It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Texas
Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by both List of U.S. states and territories by area, area (after Alaska) and List of U.S. states and territories by population, population (after California). Texas shares borders with the states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexico, Mexican States of Mexico, states of Chihuahua (state), Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest; and has a coastline with the Gulf of Mexico to the southeast. Houston is the List of cities in Texas by population, most populous city in Texas and the List of United States cities by population, fourth-largest in the U.S., while San Antonio is the second most pop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
