Mesostalita
''Mesostalita'' is a genus of woodlouse hunting spiders that was first described by Christa L. Deeleman-Reinhold Christa Laetitia Deeleman-Reinhold (born 23 November 1930) is a Dutch arachnologist. She specializes in spiders from Southeast Asia and Southern Europe, particularly cave-dwelling and tropical spiders. She donated a collection of about 25,000 Sou ... in 1971. it contains only three species: ''M. comottii'', ''M. kratochvili'', and ''M. nocturna''. References Araneomorphae genera Dysderidae {{Dysderidae-stub ...
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Dysderidae
Dysderidae, also known as woodlouse hunters, sowbug-eating spiders, and cell spiders, is a family of araneomorph spiders first described by Carl Ludwig Koch in 1837. They are found primarily in Eurasia, extending into North Africa with very few species occurring in South America. '' Dysdera crocata'' is introduced into many regions of the world. Dysderids have six eyes, and are haplogyne, i.e. the females lack a sclerotized epigyne. There is a substantial number of genera, but two of them, ''Dysdera'' and ''Harpactea'', account for a very large number of the species and are widespread across the family's range. One species, ''Dysdera crocata'' (the woodlouse hunter), has been transported over much of the planet together with its preferred foods— woodlice. ''Dysdera'' also feeds on beetles. These spiders have very large chelicerae, which they use to pierce the armored bodies of woodlice and beetles. There are also some reports that they have a mildly toxic venom that ca ...
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Christa L
Christa may refer to: * Christa (given name), a female given name * Janusz Christa (1934-2008), Polish comics author * ''Swedish Fly Girls'', a 1971 film also known as ''Christa'' * 1015 Christa, an asteroid See also * Christ (other) * Christa-Elizabeth * Christe * Christi * Christo (other) * Christy (other) * Crista * Christia * Krista Krista is a female given name, a mostly North European (Finland, Estonia and Sweden) variant of the male name Christian. The name Krista can be spelled with a "Ch", making it Christa. It means "Follower of Christ". People named Krista *Krista Al ...

Carl Friedrich Roewer
Carl Friedrich Roewer (12 October 1881, in Neustrelitz – 17 June 1963) was a German arachnologist. He concentrated on harvestmen, where he described almost a third (2,260) of today's known species, but also almost 700 taxa of spiders and numerous Solifugae. He joined the Nazi Party in the 1930s. From 1933 on, he was the second director of the Übersee-Museum in Bremen, Germany. Under his direction the museum intensified its advocacy of scientific racism. The Senckenbergische Naturforschende Gesellschaft bought his extensive collection (including type material from other arachnologists such as L. Koch, Eugène Simon, Thorell, Philipp Bertkau and Friedrich Dahl Karl Friedrich Theodor Dahl (June 24, 1856 in Rosenhofer Brök north of Dahme, Holstein – June 29, 1929 in Greifswald) was a German zoologist, and in particular an arachnologist. The son of a farmer, Dahl studied at the universities of Le ...) and his private library.Senckenberg forschungsinstitut und na ...
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Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. '' Panthera leo'' (lion) and '' Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. phylogenetic analysis should c ...
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Araneomorphae Genera
The Araneomorphae (also called the Labidognatha) are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (tarantulas and their close kin), where they point straight down. Araneomorphs comprise the vast majority of living spiders. Distinguishing characteristics Most spider species are Araneomorphae, which have fangs that face towards each other, increasing the orientations they can employ during prey capture. They have fewer book lungs (when present), and the females typically live one year. The Mygalomorphae have fangs that face towards the ground, and which are parallel to the long axis of the spider's body, thus they have only one orientation they can employ during prey capture. They have four pairs of book lungs, and the females often live many years. Image:Atrax robustus.jpg, This '' Atrax robustus'' shows the orientation of Myglamorphae fangs. Imag ...
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