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Strashila
''Strashila'' is an extinct genus of nematoceran flies in the family Strashilidae. There are at least two described species in ''Strashila''. Species These two species belong to the genus ''Strashila'': * † ''Strashila daohugouensis'' Huang, Nel, Cai, Lin & Engel, 2013 Daohugou, China, Callovian * † ''Strashila incredibilis'' Rasnitsyn, 1992Alexandr Rasnitsyn Alexandr Pavlovich Rasnitsyn (Russian: Александр Павлович Расницын) is a Russian entomologist, expert in palaeoentomology, and Honored Scientist of the Russian Federation (2001). His scientific interests are centered on ... (1992): ''Strashila Incredibilis, a New Enigmatic Mecopteroid Insect With Possible Siphonapteran Affinities From the Upper Jurassic of Siberia.'' ''Psyche: A Journal of Entomology.'' Volume 99, Article ID 020491, doi:10.1155/1992/20491. Badin Formation, Russia, Oxfordian References Mecoptera Articles created by Qbugbot Jurassic insects of Asia {{jurassi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strashilidae
Strashilidae is an extinct family of Jurassic flies from Siberia and China. They were originally believed to represent a distinct order called Nakridletia, but subsequent research determined that they were nematoceran flies related to the extant family Nymphomyiidae, and two of the species (and genera) in the group were determined to be synonyms. The family now comprises two species in the genus ''Strashila'' and one in the genus ''Vosila''. The original hypothesis was that the insects were wingless and were probably ectoparasites of pterosaur Pterosaurs (; from Greek ''pteron'' and ''sauros'', meaning "wing lizard") is an extinct clade of flying reptiles in the Order (biology), order, Pterosauria. They existed during most of the Mesozoic: from the Late Triassic to the end of the Cre ...s, mostly due to their enlarged hind legs, which were theorised as useful for grasping hair and feathers; however, additional fossils showed that both sexes had deciduous wings, and that only ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexandr Rasnitsyn
Alexandr Pavlovich Rasnitsyn (Russian: Александр Павлович Расницын) is a Russian entomologist, expert in palaeoentomology, and Honored Scientist of the Russian Federation (2001). His scientific interests are centered on the palaeontology, phylogeny, and taxonomy of hymenopteran insects and insects in general. He has also studied broader biological problems such as evolutionary theory, the principles of phylogenetics, taxonomy, nomenclature, and palaeoecology. He has published over 300 articles and books in several languages. In August 2008 he was awarded the Distinguished Research Medal of the International Society of Hymenopterists. Biography Alexandr Rasnitsyn was born on 24 September 1936 in Moscow. As a schoolboy Alex was active in the Society of Young Biologists at the Moscow Zoo. In 1955 he became a student at the Biological Faculty of the Moscow State University and in 1960 he graduated with honors from the Department of Entomology. His Maste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nematocera
The Nematocera (the name means "thread-horns") are a suborder of elongated fly, flies with thin, segmented antenna (biology), antennae and mostly aquatic larvae. This group is paraphyletic and contains all flies but species from suborder Brachycera (the name means "short-horns"), which includes more commonly known species as housefly or the Drosophila_melanogaster, common fruit fly. Families in Nematocera include mosquitoes, crane fly, crane flies, gnats, Black fly, black flies, and a multiple groups of families described as midges. The Nematocera typically have fairly long, fine, finely-jointed antennae. In many species, such as most mosquitoes, the female antennae are more or less threadlike, but the males have spectacularly wikt:plumose, plumose antennae. The larvae of most families of Nematocera are aquatic, either free-swimming, rock-dwelling, plant-dwelling, or wikt:luticolous, luticolous. Some families however, are not aquatic; for instance the Tipulidae tend to be soil-dw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daohugou
The Haifanggou Formation (), also known as the Jiulongshan Formation (), is a fossil-bearing rock deposit located near Daohugou () village of Ningcheng County, in Inner Mongolia, northeastern China. The formation consists of coarse conglomerates, sandstone, mudstone, and thin coal layers deposited in deltaic and lacustrine environments. The formation dates to the Callovian of the Middle Jurassic to the Oxfordian of the Late Jurassic. The most prominent locality of the Haifanggou Formation are the Daohugou Beds, located near the village of Daohugou in southeastern Inner Mongolia. Other localities include Wuhuaxigou, Chentaizi, Jiangzhangzi, Wubaiding, Guancaishan, Haifenggou, Fanzhangzi, and Zhuanshanzi. Dating Daohugou bed The age of the Daohugou bed has been debated, and a number of studies, using different methodologies, have reached conflicting conclusions. Various papers have placed the fossils here as being anywhere from the Middle Jurassic period (169 million ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Callovian
In the geologic timescale, the Callovian is an age and stage in the Middle Jurassic, lasting between 166.1 ± 4.0 Ma (million years ago) and 163.5 ± 4.0 Ma. It is the last stage of the Middle Jurassic, following the Bathonian and preceding the Oxfordian. Stratigraphic definitions The Callovian Stage was first described by French palaeontologist Alcide d'Orbigny in 1852. Its name derives from the latinized name for Kellaways Bridge, a small hamlet 3 km north-east of Chippenham, Wiltshire, England. The base of the Callovian is defined as the place in the stratigraphic column where the ammonite genus '' Kepplerites'' first appears, which is the base of the biozone of '' Macrocephalites herveyi''. A global reference profile (a GSSP) for the base had in 2009 not yet been assigned. The top of the Callovian (the base of the Oxfordian) is at the first appearance of ammonite species '' Brightia thuouxensis''. Subdivision The Callovian is often subdivided into three substages ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Badin Formation
Badin ( Sindhi and ur, ) is the main city and capital of Badin District in Sindh, Pakistan. It lies east of the Indus River. It is the 87th largest city in Pakistan. Badin is often called 'Sugar State' due to its production of sugar. Badin District was established in the year 1975. It comprises five Talukas Viz: Badin, Matli, Shaheed Fazal Rahu, Talhar and Tando bago and 46 Union Councils with 14 revenue circles, 111 Tapas and 535 dehs. This District is bordered by Hyderabad & Mirpukhas District in the North. Tharparkar & Mirpurkhas in the East, Hyderabad & Thatta District in the west & Kutch district of India in the South, which also forms the international boundary with India. History Badin was the site of some military action in the late 1500s, under the Tarkhan dynasty governors of Thatta. When the governor Mirza Baqi Muhammad Tarkhan died in October 1585, a dynastic power struggle broke out. His older son Mirza Payanda Muhammad, then posted at Siwistan, was seen as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oxfordian (stage)
The Oxfordian is, in the ICS' geologic timescale, the earliest age of the Late Jurassic Epoch, or the lowest stage of the Upper Jurassic Series. It spans the time between 163.5 ± 1.0 Ma and 157.3 ± 1.0 Ma (million years ago). The Oxfordian is preceded by the Callovian and is followed by the Kimmeridgian. Stratigraphic definitions The Oxfordian Stage was called "Clunch Clay and Shale" by William Smith (1815–1816); in 1818 W. Buckland described them under the unwieldy title "Oxford, Forest or Fen Clay". The term Oxfordian was introduced by Alcide d'Orbigny in 1844. The name is derived from the English city of Oxford, where the beds are well developed, but they crop out almost continuously from Dorset to the coast of Yorkshire, generally forming low, broad valleys. They are well exposed at Weymouth, Oxford, Bedford, Peterborough, and in the cliffs at Scarborough, Red Cliff and Gristhorpe Bay. Rocks of this age are found also in Uig and Skye. The base of the Oxfordian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mecoptera
Mecoptera (from the Greek language, Greek: ''mecos'' = "long", ''ptera'' = "wings") is an Order (biology), order of insects in the superorder Endopterygota with about six hundred species in nine Family (biology), families worldwide. Mecopterans are sometimes called scorpionflies after their largest family, Panorpidae, in which the males have enlarged genitals raised over the body that look similar to the stingers of scorpions, and long beaklike Rostrum (anatomy), rostra. The Bittacidae, or hangingflies, are another prominent family and are known for their elaborate mating rituals, in which females choose mates based on the quality of gift prey offered to them by the males. A smaller group is the snow scorpionflies, family Boreidae, adults of which are sometimes seen walking on snowfields. In contrast, the majority of species in the order inhabit moist environments in tropical locations. The Mecoptera are closely related to the Siphonaptera (fleas), and a little more distantly to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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