Revision of the Spider Family Stenochilidae (Arachnida, Araneae). American Museum Novitates PDF Download
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Languages : en
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Languages : en
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Author: Norman I. Platnick
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Category : Arachnida
Languages : en
Pages : 14
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Author: Mihael G. Rix
Publisher: PenSoft Publishers LTD
ISBN: 9546425311
Category : Science
Languages : en
Pages : 328
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The Micropholcommatidae are a family of tiny, distinctive araneoid spiders, known from southern-temperate habitats throughout Australasia and Chile. The greatest abundance of individuals and the largest diversity of taxa occur in the cool-temperate rainforests of south-eastern Australia and New Zealand, where micropholcommatid spiders can be very common within moss and leaf litter microhabitats. Although poorly studied biologically and largely neglected taxonomically, the Micropholcommatidae are a diverse lineage, with a significantÿ The monograph in this volume presents a complete generic-level revision of the spider family Micropholcommatidae. The phylogenetic position and internal phylogeny of the family are tested with two separate morphological cladistic analyses, the results of which inform a comprehensive generic-level classification. In total, 26 new species, 12 new genera, one new tribe and two new subfamilies are described, taking the total documented micropholcommatid fauna to 58 species. The distribution and Gondwanan biogeography of the family are also discussed, and natural history information is provided where known. Most importantly, the results of this paper present a taxonomic framework and a phylogenetic foundation for all future research on the Micropholcommatidae; a template by which new species can be described and existing species can be identified, and a valuable dataset for exploring phylogenetic hypotheses.
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Languages : en
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Author: Sarah C. Crews
Publisher: PenSoft Publishers LTD
ISBN: 954642594X
Category : Science
Languages : en
Pages : 188
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The spider genus Selenops occurs in both the Old World and New World subtropics and tropics and contains nearly half of the species in the family Selenopidae. These spiders are extremely flattened dorsoventrally and are amongst the fast-est animals in the world. Despite the large size of some species, these aforementioned characteristics can make them difficult to detect. In this monograph the species from North America, Central America and Caribbean Islands (excluding Cuban endemics) are revised. In total, 21 new species are described and 6 species are synonymized. The males of S. bani and S. marcanoi, and the females of S. phaselus and S. geraldinae are described for the first time. Almost all species are redescribed, with new illustrations, including the internal female copulatory organs, most of which are illustrated for the first time. New distributional records and a key to species are also provided.
Author: Sarah C. Crews
Publisher: PenSoft Publishers LTD
ISBN: 9546425974
Category : Science
Languages : en
Pages : 108
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ÿThe Selenopidae are a family of medium to large spiders with extremely flattened bodies. They are exceptional in that both their running and striking speeds place them amongst the world?s fastest animals. They occur in all habitable continents but are most abundant in tropical and adjacent realms. Selenopid spiders are usually found under rocks or under tree bark, and have the ability to squeeze into tight crevices. The family currently comprises around 200 species in five genera. In this monograph, four new genera and 27 new species are described from Australia and the Oriental Region, bringing the world total to nine genera and over 230 species. Several species previously placed in Selenops are transferred to the new genera. The Australian fauna is found to be more diverse than previously documented with a total of 24 species, 23 of which are new. A key to the genera of Selenopidae is provided, as are keys to the species of the new genera Karaops and Makdiops.
Author: Raymond R. Forster
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Category : Arachnida
Languages : en
Pages : 29
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Languages : en
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Author: Gustavo Hormiga
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Category : Nature
Languages : en
Pages : 116
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Author: Raymond R. Forster
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Category : Arachnida
Languages : en
Pages : 242
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"The monogeneric tribe Orsolobini Cooke is removed from the Dysderidae, elevated to familial status, and redefined to include those dysderoids with a raised tarsal organ. As relimited, the family contains 170 species from Australia, Tasmania, New Zealand, the Auckland and Campbell islands, Chile, Argentina, and the Falkland Islands. Six genera are transferred from the Oonopidae to the Orsolobidae: Tasmanoonops Hickman, Cornifalx Hickman, Ascuta Forster, Duripelta Forster, Pounamuella (nomen novum for Pounamua Forster, preoccupied), and Subantarctia Forster. Eighteen new genera are described: Falklandia (type species Orsolobus rumbolli Schiapelli and Gerschman from the Falkland Islands), Mallecolobus (type species M. malacus, new species, from Chile; also including three other new species from Chile), Chileolobus (type species C. eden, new species, from Chile), Osornolobus (type species O. canan, new species, from Chile; also including 16 new species from Chile), Hickmanolobus (type species Oonopinus mollipes Hickman from Tasmania, transferred from the Oonopidae), Australobus (type species A. torbay, new species, from Western Australia), Waipoua (type species W. toronui, new species, from New Zealand; also including Pounamua totara Forster from New Zealand, P. gressitti Forster from Campbell Island, and five other new species from New Zealand), Wiltonia (type species W. graminicola, new species, from New Zealand; also including eight other new species from New Zealand), Tautukua (type species T. isolata, new species, from New Zealand), Bealeyia (type species B. unicolor, new species, from New Zealand), Dugdalea (type species D. oculata, new species, from New Zealand), Anopsolobus (type species A. subterraneus, new species, from New Zealand), Turretia (type species T. dugdalei, new species, from New Zealand), Orongia (type species O. medialis, new species, from New Zealand; also including two other new species from New Zealand), Paralobus (type species Ascuta salmoni Forster from New Zealand), Tangata (type species T. nigra, new species, from New Zealand; also including Ascuta stewartensis Forster, A. rakiura Forster, A. orepukiensis Forster, A. alpina Forster, A. plena Forster, and 11 other new species from New Zealand), Maoriata (type species Ascuta magna Forster from New Zealand; also including two new species from New Zealand), and Waiporia (type species W. wiltoni, new species, from New Zealand; also including Ascuta extensa Forster, A. modica Forster, A. algida Forster, A. mensa Forster, Pounamua hornabrooki Forster, and six other new species from New Zealand). Sixty-two other new species are described in previously established genera: seven Orsolobus from Chile and Argentina, 25 Tasmanoonops from Australia and Tasmania, and 10 Ascuta, 13 Duripelta, 3 Pounamuella, and 4 Subantarctia from New Zealand. Ascuta pallida Forster is transferred to Duripelta. The females of Tangata rakiura (Forster), T. plena (Forster), Waiporia modica (Forster), and Pounamuella ramsayi (Forster) and the male of P. australis (Forster) are described for the first time. The characters of the four dysderoid families are reviewed"--Page 3
