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Ptyoiulus Impressus
''Ptyoiulus impressus'' is a species of millipede in the family Parajulidae Parajulidae is a family of millipedes in the order Julida, occurring predominantly in North America but also in Central America and East Asia. Parajulids are found from Alaska to as far south as Guatemala. Male Parajulids have a greatly enlarged .... It is found in North America. References Further reading * Julida Articles created by Qbugbot Animals described in 1821 {{myriapoda-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas Say
Thomas Say (June 27, 1787 – October 10, 1834) was an American entomologist, conchologist, and herpetologist. His studies of insects and shells, numerous contributions to scientific journals, and scientific expeditions to Florida, Georgia, the Rocky Mountains, Mexico, and elsewhere made him an internationally known naturalist. Say has been called the father of American descriptive entomology and American conchology. He served as librarian for the Academy of Natural Sciences of Philadelphia, curator at the American Philosophical Society (elected in 1817), and professor of natural history at the University of Pennsylvania. Early life and education Born in Philadelphia into a prominent Quaker family, Thomas Say was the great-grandson of John Bartram, and the great-nephew of William Bartram. His father, Dr. Benjamin Say, was brother-in-law to another Bartram son, Moses Bartram. The Say family had a house, "The Cliffs" at Gray's Ferry, adjoining the Bartram family farms in King ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Millipede
Millipedes are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derived from this feature. Each double-legged segment is a result of two single segments fused together. Most millipedes have very elongated cylindrical or flattened bodies with more than 20 segments, while pill millipedes are shorter and can roll into a tight ball. Although the name "millipede" derives from the Latin for "thousand feet", no species was known to have 1,000 or more until the discovery of '' Eumillipes persephone'', which can have over 1,300 legs. There are approximately 12,000 named species classified into 16 orders and around 140 families, making Diplopoda the largest class of myriapods, an arthropod group which also includes centipedes and other multi-legged creatures. Most millipedes are slow-moving detritivores, eating decaying leaves and other dead plant matter. Some eat fu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parajulidae
Parajulidae is a family of millipedes in the order Julida, occurring predominantly in North America but also in Central America and East Asia. Parajulids are found from Alaska to as far south as Guatemala. Male Parajulids have a greatly enlarged first pair of legs, and externally exposed gonopods, in contrast to the largely Eurasian family Julidae which have a small, hook-shaped first pair of legs, and gonopods concealed internally.Cook, O. F. (1909)Myriapoda of Northwestern North America Alaska / Harriman Alaska Expedition, 8 p. 69. Genera *'' Aliulus'' *''Aniulus'' *'' Apacheiulus'' *'' Arvechamboides'' *'' Arvechambus'' *''Bollmaniulus'' *'' Codiulus'' *'' Ethoiulus'' *'' Ethojulus'' *'' Georgiulus'' *'' Gosiulus'' *'' Gyniulus'' *'' Hakiulus'' *'' Karteroiulus'' *'' Litiulus'' *'' Mexicoiulus'' *'' Mulaikiulus'' *'' Nesoressa'' *'' Okliulus'' *''Oriulus'' *'' Parajulus'' *'' Pheniulus'' *'' Pseudojulus'' *''Ptyoiulus ''Ptyo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Julida
Julida is an order of millipedes. Members are mostly small and cylindrical, typically ranging from in length. Eyes may be present or absent, and in mature males of many species, the first pair of legs is modified into hook-like structures. Additionally, both pairs of legs on the 7th body segment of males are modified into gonopods. Distribution Julida contains predominantly temperate species ranging from North America to Panama, Europe, Asia north of the Himalayas, Asir region, Saudi Arabia, and Southeast Asia. Classification The order Julida contains approximately 750 species, divided into the following superfamilies and families: ;Blaniuloidea C. L. Koch, 1847 * Blaniulidae C. L. Koch, 1847 * Galliobatidae Brolemann, 1921 *Okeanobatidae Verhoeff, 1942 * Zosteractinidae Loomis, 1943 ;Juloidea Leach, 1814 * Julidae Leach, 1814 * Rhopaloiulidae Attems, 1926 * Trichoblaniulidae Verhoeff, 1911 * Trichonemasomatidae Enghoff, 1991 ;Nemasomatoidea Bollman, 1893 * Chelojulidae Eng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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