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Topic: Haplotaxidae

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	INHS Annelid Collection \| Terrestrial Oligochaeta
		Twelve families of earthworms occur in North America north of Mexico - Acanthodrilidae, Criodrilidae, Lutodrilidae, Glossoscolecidae, Komarekionidae, Lumbricidae, Eudrilidae, Megascolecidae, Octochaetidae, Ocnerodrilidae, Sparganophilidae, and Haplotaxidae (most often considered an aquatic microdrile family, with one genus and one nominal species in North America); we recognize 40 genera and 159 nominal species in these families.
		Of these, 47 nominal species representing 22 genera in 8 families occur in Illinois.
		gordioides (Haplotaxidae), a species that has not yet been collected in its sexually mature state in North America, is most commonly associated with groundwater habitats (springs, cave streams, wells, cisterns).
	www.inhs.uiuc.edu /cbd/collections/annelid/ilspecies.html (1253 words)

	Revista Brasileira de Zoologia - Polychaeta, Annelida, and Articulata are not monophyletic: articulating the Metameria ... (Site not responding. Last check: 2007-10-24)
		Timm (1981) indicates that groups such as Haplotaxidae Michaelsen, 1900 and Tubificinae Eisen, 1879, in which the chaetal bundles should be vestiges of parapodia, represent the basal forms of Clitellata.
		In Questidae and Haplotaxidae (considered to be one of the most basal group of Clitellata; Brinkhurst 1984a) the synapomorphy consists of the presence of two pairs of ovaries in the female reproductive system (Brinkhurst 1982, 1992b) (Tab.
		The presence of a spermatheca and the opening of the gonoduct in segment 14 found in Questidae and Clitellata (Brinkhurst and Jamieson 1971; Giere and Riser 1981) must be synapomorphic for these taxa.
	www.scielo.br /scielo.php?pid=S0101-81752003000100006&script=sci_arttext&tlng=en (14664 words)

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		Some earthquakes are caused by the movement of magma in volcanoes dams, such as the Kariba Dam in Zambia, Africa, and with the injection or extraction of fluids into the Earth's crust (e.g, at certain
		Scientific classification Kingdom: Animalia Phylum: Annelida Class: Clitellata Subclass: Oligochaeta Order: Haplotaxida Earthworm is the common reference for the larger members of the Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida.
		In classical systems they were placed in the order Opisthopora Haplotaxida Haplotaxidae.
	www.en-cyclopedia.com /index1/ea (1727 words)

	Omodeo on megadriles
		The required modifications went on in divergent ways in the three superfamilies Lumbricoidea, Megascolecoidea, and Eudriloidea.
		The most primitive among the Lumbricoidea, which stemmed from some strain akin to the Haplotaxidae, are limicolous and are distributed over a broad territory corresponding to the northern and central regions of the Lower Triassic Pangaea.
		Based on ovarian structure, these megadriles may be divided into a northern strain, that originated in Laurasia, and a southern strain, that originated in Gondwana.
	net.bio.net /bionet/mm/annelida/2000-October/001642.html (475 words)

	Oligochaeta
		Microdriles- Chaetae various, thin-bodied with thin clitellum (1 cell layer) over the gonopores or further anterior.
		Family Haplotaxidae- ventral chaetae single, elongate thin worms, one genus, Haplotaxis.
		Family Enchytraeidae- 2 or more chaetae per bundle, all simple pointed and often straight, cutical thickened, poorly known.
	www.esg.montana.edu /dlg/aim/annelid/oligo.html (883 words)

	BGM Jamieson, ultrastructure, reproductive biology, phylogeny, oligochaeta, earthworms,anura, urodela, fish, sharks, ...
		An ultrastructural study of the distal epidermis and the occurrence of subcuticular bacteria in the gutless tubificid Phallodrilus albidus (Oligochaeta : Annelida).
		The 50 oligochaete taxa representing all familes of "opisthoporous"oligochaetes (Alluroididae, earthworms and aquatic "megadriles") together with two representatives of the Haplotaxidae and three examples of"microdiles" were subjected to cladistic analysis using the PAUP program.
		Sixty-eight characters used in the analyses were derived from acomprehensive range of somatic and genital systems.
	users.bigpond.net.au /Barrie_Jamieson (4064 words)

	Red Worm
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		Redworms Eisenia fetida — Scientific Classification: Class: Oligochaeta; Order: Haplotaxidae; Suborder: Lumbricina; Superfamily: Lumbricoidea; Family: Lumbricidae; Species: Eisenia; Subspecies: fetida
		Common names for the Eisenia fetida are: Redworm, Red Wiggler, Tiger Worm, Manure Worm, Stink Worm, Fish Worm, Dung Worm, Fecal Worm, Striped Worm, as well as many other names.
	www.happydranch.com /invertebrates/redworm.html (575 words)

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