|
Platyarthridae
Platyarthridae is a family of woodlice, containing the following genera: *'' Cephaloniscus'' Ferrara & Taiti, 1989 *'' Echinochaetus'' Ferrara & Schmalfuss, 1983 *'' Gerufa'' Budde-Lund, 1909 *'' Lanceochaetus'' Schmalfuss & Ferrara, 1978 *'' Manibia'' Barnard, 1932 *''Niambia'' Budde-Lund, 1904 *'' Papuasoniscus'' Vandel, 1973 *'' Platyarthrus'' Brandt, 1833 *'' Trichorhina'' Budde-Lund, 1908 They are mostly less than long, and cannot roll into a ball ( conglobate). They have no lungs on the pleopods, and have very small compound eyes, with fewer than 10 ommatidia The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium). An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells. The ou .... They are similar to members of the family Trachelipodidae, which do have pleopodal lungs, although the lungs can be inconspicuous. See also *'' Trichorhina mulaiki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyarthrus
''Platyarthrus'' is a genus of woodlouse, woodlice in the family Platyarthridae. There are more than 30 described species in ''Platyarthrus''. Species These 39 species belong to the genus ''Platyarthrus'': * ''Platyarthrus acropyga'' Chopra, 1924 * ''Platyarthrus adonis'' Verhoeff, 1941 * ''Platyarthrus aiasensis'' Legrand, 1954 * ''Platyarthrus almanus'' Verhoeff, 1949 * ''Platyarthrus alticolus'' Taiti & Checcucci, 2009 * ''Platyarthrus armenicus'' Borutzky, 1976 * ''Platyarthrus atanassovi'' Verhoeff, 1936 * ''Platyarthrus beieri'' Strouhal, 1955 * ''Platyarthrus briani'' Verhoeff, 1931 * ''Platyarthrus caudatus'' Aubert & Dollfus, 1890 * ''Platyarthrus codinai'' Arcangeli, 1924 * ''Platyarthrus coronatus'' Radu, 1960 * ''Platyarthrus corsicus'' Taiti & Ferrara, 1996 * ''Platyarthrus costulatus'' Verhoeff, 1908 * ''Platyarthrus dalmaticus'' Verhoeff, 1908 * ''Platyarthrus dobrogicus'' Radu, 1951 * ''Platyarthrus dollfusi'' Verhoeff, 1901 * ''Platyarthrus esterelanus'' Verhoeff ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trichorhina
''Trichorhina'' is a genus of woodlice in the family Platyarthridae Platyarthridae is a family of woodlice, containing the following genera: *'' Cephaloniscus'' Ferrara & Taiti, 1989 *'' Echinochaetus'' Ferrara & Schmalfuss, 1983 *'' Gerufa'' Budde-Lund, 1909 *'' Lanceochaetus'' Schmalfuss & Ferrara, 1978 *'' Man .... Species ''Trichorhina'' includes the following species: * '' Trichorhina acuta'' * '' Trichorhina aethiopica'' * '' Trichorhina albida'' * '' Trichorhina amazonica'' * '' Trichorhina anophthalma'' * '' Trichorhina argentina'' * '' Trichorhina atlasi'' * '' Trichorhina atoyacensis'' * '' Trichorhina bequaerti'' * '' Trichorhina bicolor'' * '' Trichorhina boliviana'' * '' Trichorhina boneti'' * '' Trichorhina brasiliensis'' * '' Trichorhina buchnerorum'' * '' Trichorhina caeca'' * '' Trichorhina dobrogica'' * '' Trichorhina donaldsoni'' * '' Trichorhina giannellii'' * '' Trichorhina guanophila'' * '' Trichorhina heterophthalma'' * '' Trichorhina hispana'' * '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodlice
A woodlouse (plural woodlice) is an isopod crustacean from the polyphyleticThe current consensus is that Oniscidea is actually triphyletic suborder Oniscidea within the order Isopoda. They get their name from often being found in old wood. The first woodlice were marine isopods which are presumed to have colonised land in the Carboniferous, though the oldest known fossils are from the Cretaceous period. They have many common names and although often referred to as terrestrial isopods, some species live semiterrestrially or have recolonised aquatic environments. Woodlice in the families Armadillidae, Armadillidiidae, Eubelidae, Tylidae and some other genera can roll up into a roughly spherical shape ( conglobate) as a defensive mechanism; others have partial rolling ability, but most cannot conglobate at all. Woodlice have a basic morphology of a segmented, dorso-ventrally flattened body with seven pairs of jointed legs, specialised appendages for respiration and like ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodlouse
A woodlouse (plural woodlice) is an isopod crustacean from the polyphyleticThe current consensus is that Oniscidea is actually triphyletic suborder Oniscidea within the order Isopoda. They get their name from often being found in old wood. The first woodlice were marine isopods which are presumed to have colonised land in the Carboniferous, though the oldest known fossils are from the Cretaceous period. They have many common names and although often referred to as terrestrial isopods, some species live semiterrestrially or have recolonised aquatic environments. Woodlice in the families Armadillidae, Armadillidiidae, Eubelidae, Tylidae and some other genera can roll up into a roughly spherical shape ( conglobate) as a defensive mechanism; others have partial rolling ability, but most cannot conglobate at all. Woodlice have a basic morphology of a segmented, dorso-ventrally flattened body with seven pairs of jointed legs, specialised appendages for respiration and like ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trichorhina Mulaiki
''Trichorhina mulaiki'' is a species of woodlouse in the family Platyarthridae. Distribution ''Trichorhina mulaiki'' was found near Chilapa de Álvarez, Guerrero, Mexico, where it lives in humus in montane forests. Taxonomic history The species was first described by Karl Wilhelm Verhoeff in 1933, as ''Mexicostylus squamatus''. ''M. squamatus'' was the only species in the genus ''Mexicostylus'', but that genus was later synonymised with the genus ''Trichorhina ''Trichorhina'' is a genus of woodlice in the family Platyarthridae Platyarthridae is a family of woodlice, containing the following genera: *'' Cephaloniscus'' Ferrara & Taiti, 1989 *'' Echinochaetus'' Ferrara & Schmalfuss, 1983 *'' Gerufa' ...''. Since that genus already contained a species ''T. squamata'', a new name had to be provided, and so the species became ''Trichorhina mulaiki''. References Woodlice Endemic crustaceans of Mexico Crustaceans described in 2003 {{isopod-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niambia (crustacean)
''Niambia'' is a genus of woodlice in the family Platyarthridae. There are at least 20 described species in ''Niambia''. Species These 23 species belong to the genus ''Niambia'': * '' Niambia angusta'' Budde-Lund, 1909 * '' Niambia brevicauda'' Schmalfuss & Ferrara, 1978 * '' Niambia buddelundi'' Barnard, 1949 * ''Niambia capensis'' (Dollfus, 1895) * '' Niambia damarensis'' (Panning, 1924) * '' Niambia duffeyi'' Ferrara & Taiti, 1981 * '' Niambia eburnea'' (Vandel, 1953) * '' Niambia flavescens'' Barnard, 1924 * '' Niambia formicarum'' Barnard, 1932 * '' Niambia griseoflava'' Barnard, 1924 * '' Niambia lata'' Barnard, 1932 * '' Niambia longiantennata'' Taiti & Ferrara, 1991 * '' Niambia longicauda'' Barnard, 1924 * '' Niambia microps'' Barnard, 1932 * '' Niambia modesta'' Budde-Lund, 1909 * '' Niambia pallida'' Budde-Lund, 1909 * '' Niambia palmetensis'' Vandel, 1959 * '' Niambia politus'' Omer-Cooper, 1924 * '' Niambia senegalensis'' Schmalfuss & Ferrara, 1978 * '' Niambia sept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CSIRO Publishing
CSIRO Publishing is an Australian-based science and technology publisher. It publishes books, journals and magazines across a range of scientific disciplines, including agriculture, chemistry, plant and animal sciences, natural history and environmental management. It also produces interactive learning modules for primary school students and provides writing workshops for researchers. CSIRO Publishing operates within the Commonwealth Scientific and Industrial Research Organisation (CSIRO). It was established as a stand-alone business unit in 1995. Books CSIRO Publishing publishes books in a number of categories, including: * Animals: behaviour; birds; domesticated; ecology and management; field guides; fish; genetics and evolution; health and welfare; invasive; invertebrates; mammals and marsupials; reproduction and physiology; reptiles and amphibians; and wildlife. * Built Environment: architecture; building; codes and standards; engineering; landscape architecture; and pla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleopodal Lungs
Pleopodal lungs are an anatomical feature of terrestrial isopods and a component of their respiratory system. They are ancestrally derived from pleopodal gills, and they facilitate gas exchange on land. They perform a similar function as spiracles do in insects. Pleopodal lungs are identifiable on woodlice as white patches on the lower 5 segments (the pleon) on the ventral side (underside). The number of pleopodal lungs vary by species – they may have up to five pairs, or only two pairs as in ''Porcellio laevis ''Porcellio laevis'' (Common name, commonly called the swift woodlouse, dairy cow isopod, or smooth slater in Australia) is a species of woodlouse in the genus ''Porcellio''. As the species epithet ''laevis'' as well as the vernacular name "swift ...;'' a minority of species lack pleopodal lungs entirely. References Arthropod anatomy {{Arthropod-anatomy-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trachelipodidae
Trachelipodidae is a family of woodlice, containing the following genera: *'' Levantoniscus'' Cardoso, Taiti & Sfenthourakis, 2015 (3 species) *'' Nagurus'' Holthuis, 1949 (40 species) *'' Pagana'' Budde-Lund, 1908 (5 species) *'' Panchaia'' Taiti & Ferrara, 2004 (3 species) *'' Porcellium'' Dahl, 1916 (16 species) *'' Socotroniscus'' Ferrara & Taiti, 1996 (monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...) *'' Tamarida'' Taiti & Ferrara, 2004 (2 species) *'' Trachelipus'' Budde-Lund, 1908 (59 species) References Woodlice Crustacean families {{Isopod-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ommatidium
The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium). An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells. The outer part of the ommatidium is overlaid with a transparent cornea. Each ommatidium is innervated by one axon bundle (usually consisting of 6–9 axons, depending on the number of rhabdomeres) and provides the brain with one picture element. The brain forms an image from these independent picture elements. The number of ommatidia in the eye depends upon the type of arthropod and range from as low as 5 as in the Antarctic isopod ''Glyptonotus antarcticus'', or a handful in the primitive Zygentoma, to around 30,000 in larger Anisoptera dragonflies and some Sphingidae moths. Description Ommatidia are typically hexagonal in cross-section and approximately ten times longer than wide. The diameter is largest at the surface, tapering toward the in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compound Eye
A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which distinguish brightness and color. The image perceived by this arthropod eye is a combination of inputs from the numerous ommatidia, which are oriented to point in slightly different directions. Compared with single-aperture eyes, compound eyes have poor image resolution; however, they possess a very large view angle and the ability to detect fast movement and, in some cases, the polarization of light. Because a compound eye is made up of a collection of ommatidia, each with its own lens, light will enter each ommatidium instead of using a single entrance point. The individual light receptors behind each lens are then turned on and off due to a series of changes in the light intensity during movement or when an object in moving, creating a flic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleopod
The decapod ( crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen). Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail: Cephalothorax Head # antennules # antennae #mandibles # first maxillae # second maxillae The head also bears the (usually stalked) compound eyes. The distal portion of a mandible or maxilla which has a sensory function is known as a palp. Thorax / pereon #first maxillipeds #second maxillipeds #third maxillipeds #first pereiopods #second pereiopods #third pereiopods #fourth pereiopods #fifth pereiopods Maxillipeds are appendages modified to function as mouthparts. Particularly in the less advanced decapods, these can be very similar to the pereiopods. Pereiopods are primarily walking legs and are also used for gathering food. They are also the ten legs from which decapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
