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Topic: Hirudinea

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Leech

Annelid

Rhyncophthirina

Acanthocephala

Oligochaeta

Parasite

Siphonaptera

Polychaeta

Louse

Candiru

Acarina

Tantulocarida

Mandarin (linguistics)

Degenerate art

Skeleton

	Chaetopoda - LoveToKnow 1911
		It has been asserted (and denied) that the cellular rod which is known as the "Heart-body" (Herzkorper), and is to be found in the dorsal vessel of many Oligochaeta and Polychaeta, is formed of cells which are continuous with the chloragogen cells, thus implying the existence of apertures of communication with the coelom.
		They contrast with those of the Oligochaeta and Hirudinea by reason of their frequently close association with the gonads, the same organ sometimes serving the two functions of excretion and conveyance of the ova and spermatozoa out of the body.
		It is to be noted that the Hirudinea differ from the Oligochaeta in that the male pore is in advance of the gonads (except in Acanthobdella, which here, as in so many points, approximates to the Oligochaeta), whereas in Oligochaeta that pore is behind the gonads (again with an exception, Aliurus).
	www.1911encyclopedia.org /Chaetopoda (12878 words)

	Class Hirudinea
		The class Hirudinea in the phylum Annelida (segmented worms) comprises the leeches, the most highly specialized of the major annelid groups.
		Leeches are typically dorsoventrally flattened annelids with suckers at both ends and 34 body segments (designated I-XXXIV) which are externally divided into a number of annuli.
		For the entire Report, download all the files in the subdirectory, Primer1 in Word 6.0 format.
	lakes.chebucto.org /ZOOBENTH/BENTHOS/xxvi.html (606 words)

	Brazilian Journal of Biology - The marine leech Stibarobdella loricata (Harding, 1924) (Hirudinea, Piscicolidae), ... (Site not responding. Last check: )
		The marine leech Stibarobdella loricata (Harding, 1924) (Hirudinea, Piscicolidae), parasitic on the angel shark Squatina spp.
		The presence of the marine leech, Stibarobdella loricata (Harding, 1924) (Hirudinea, Piscicolidae), is reported on the southern coast of Brazil, based on seven lots with 47 specimens, between 71 and 182 mm in total length, collected on the dorsal region of angel sharks, Squatina argentina (Marini, 1930); S.
		SOTO, J. R., 2000, Marine leech, Stibarobdella macrothela (Schmarda, 1861) (Hirudinea, Piscicolidae), parasitic on the whaler shark, Carcharhinus brachyurus (Günther, 1870) (Chondrichthyes, Carcharhinidae), in southern Brazilian waters.
	www.scielo.br /scielo.php?script=sci_arttext&pid=S1519-69842003000400016&lng=en&nrm=iso&tlng=en (832 words)

	Parental care in leech - Deccan Herald (Site not responding. Last check: )
		The most familiar leeches known are cattle leech, Hirudinea granulosa and the medical leech, Hirudo medicinalis.
		Hirudinea granulosa is a temporary ectoparasite, perfectly adapted for its parasitic mode of life.
		Though in the class Hirudinea nearly about 300 species have been reported very few interesting specimens have been described in detail.
	www.deccanherald.com /deccanherald/oct252004/snt6.asp (733 words)

	hirudinea - definition by dict.die.net
		Hirudinea n : hermaphroditic aquatic or terrestrial or parasitic annelids [syn: Hirudinea, class Hirudinea]
		See Annelid.] (Zo["o]l.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs.
		The principal subdivisions are the Ch[ae]topoda, including the Oligoch[ae]ta or earthworms and Polych[ae]ta or marine worms; and the Hirudinea or leeches.
	dict.die.net /hirudinea (73 words)

	Infohelpway, Information on Hirudinea : Science : Biology : Flora and Fauna : Animalia : Annelida : Hirudinea
		Australian Museum: Leeches: A study of the behavior, biology, adaptation to habitat, feeding habits and importance to medicine, reveals leeches to be fascinating and extraordinary animals.
		Class Hirudinea: Basic introduction to the orders and families, habitat, and value as an indicator of overall ecosystem health.
		Hirudinea: An introduction to the biology, classification and ecology of leeches, the subclass Hirudinae
	www.infohelpway.com /Top/Science/Biology/Flora_and_Fauna/Animalia/Annelida/Hirudinea (157 words)

	external structure (Site not responding. Last check: )
		The prostomium lies at the anterior end of the body at the head and houses the mouth and, in the class Hirudinea, may be characterized by an anterior ventral sucker.
		The trunk of the body is where the clitellum lies, which is associated with reproduction, and where most segmentation lies, which is discussed further in the section on internal anatomy.
		The pygidium lies at the posterior end of the body and houses the dorsal anus and, in the class Hirudinea, a posterior ventral sucker that exceeds the width of the body.
	www.uas.alaska.edu /biology/Tamone/catalog/annelida/notostomum_cyclostoma/external_structure.htm (176 words)

	Bright Minds: The Challenge (Site not responding. Last check: )
		Annelid worms have a subterminal mouth, a straight gut, a closed blood circulatory system, and moveable setae in bundles on most body segments.
		Most species occur in marine or freshwater habitats but a few are terrestrial.
		True leeches have a terminal or sub-terminal mouth, a straight gut, posterior anus, an annelid nervous system with ventral, single or paired nerve cords, and a closed circulatory system with distinct blood vessels.
	www.brightminds.uq.edu.au /thechallenge/whatami/HTML/Hirudinea.html (154 words)

	Illinois Natural History Survey
		Cystobranchus verrilli M. Meyer, 1940 (Hirudinea: Piscicolidae) - INHS Annelida Collection slide no. 13578 (152).
		Piscicolaria reducta M. Meyer, 1940 (Hirudinea: Piscicolidae) - INHS Annelida Collection slide no. 13583 (150).
		Two paratypes of this species are deposited in the INHS Annelida Collection (no accession number); the holotype and one paratype of this species are deposited in the U.S. National Museum of the Smithsonian Institution, Washington, D.C. Over 70% of the slide-mounted aquatic oligochaetes have been identified.
	www.inhs.uiuc.edu /cbd/main/collections/annelid/searchannelid.html (437 words)

	Subclass Hirudinea (Freshwater leeches) - Biodiversity of Great Smoky Mountains National Park
		Freshwater leeches (segmented worms) are important components of benthic communities in nearly every freshwater ecosystem; many species also occur in terrestrial and semi-terrestrial habitats, although only one semi-terrestrial leech occurs in North America.
		Several of the Hirudinea groups have been used for monitoring and detecting changes in water quality and physical habitats.
		The habitat and water quality requirements as well as the pollution tolerance of some species of freshwater leeches have been documented in the literature by a few investigators.
	www.dlia.org /atbi/species/Animalia/Annelida/Hirudinea/index.shtml (281 words)

	NationMaster - Encyclopedia: Polychaetes (Site not responding. Last check: )
		Photomontage of plankton organisms Plankton are drifting organisms that inhabit the water column of oceans, seas, and bodies of fresh water.
		Classes and subclasses Class Polychaeta (paraphyletic?) Class Clitellata Oligochaeta - Earthworms and others Acanthobdellida Branchiobdellida Hirudinea - Leeches Class Myzostomida Class Archiannelida (polyphyletic) Class Echiura *Some authors consider the subclasses under Clitellata to be classes The annelids, collectively called Annelida (from Latin annellus little ring), are a large phylum of animals, comprising...
		Parapodia (almost feet) are paired lateral outgrowths, bearing bristles known as chaetae.
	www.nationmaster.com /encyclopedia/Polychaetes (1022 words)

	ONSLAUGHT 018 (Site not responding. Last check: )
		HIRUDINEA launches the assault with 4 tracks of raging extreme Metal, blending the most vicious elements of Black and Death Metal with Grindcore and Crossover elements thrown in for good measure.
		Despite only releasing very limited quantities of rehearsal/promo material prior to this split album, HIRUDINEA has earned a reputation as one of the most savage and overpowering live Metal bands in the Northeastern US.
		Complementing HIRUDINEA's precision hammering, WATCHMAKER finishes the disc off with 7 of their trademark chaotic Noise Metal numbers, revealing their Thrashing roots perhaps more than any of their 3 full-lengths.
	www.bestialonslaught.com /onslaught018.html (208 words)

	Best of the Web - What's New in Science For 3/18/2006
		Richardsonobdella-Lineatae, Gen Et Sp-Nov (Hirudinea) - Presents abstract of the study by EM Burreson and RE Dybdahl.
		Hirudinea - Presents the reproductive system of the leech.
		On the Origin of the Hirudinea and the Ddemise of the Oligochaeta.
	botw.org /new/Science/03182006.cfm (6707 words)

	Annelida (Site not responding. Last check: )
		Earthworms and leeches are the familiar annelids for most people, but polychaetes comprise the bulk of the diversity of Annelida and are found in nearly every marine habitat, from intertidal algal mats downwards.
		It is now recognized that Oligochaeta and Hirudinea, comprised of several thousand species, form a clade and should be referred to either as Oligochaeta (Siddall et al., 2001) or Clitellata (Martin, 2001).
		Martin, P. On the origin of the Hirudinea and the demise of the Oligochaeta.
	tolweb.org /tree?group=Annelida&contgroup=Bilateria (2606 words)

	Amazon.com: Hirudinea (Site not responding. Last check: )
		Freshwater Hirudinea (The Zoology of Iceland) by Anton Frederick Bruun (Unknown Binding - 1938)
		Marine Hirudinea (The Zoology of Iceland) by Anton Frederick Bruun (Unknown Binding - 1938)
		The leech (Hirudinea) fauna in lotic habitats of the river MoÌrrums aÌn in south Sweden, (Lunds universitets aÌrsskrift.
	www.amazon.com /s?ie=UTF8&keywords=Hirudinea&tag=lexico&index=blended&link_code=qs&page=1 (312 words)

	Serge Utevsky (Site not responding. Last check: )
		My broad interests are the systematics, phylogeny, morphology, ecology, and biogeography of fish leeches (Hirudinea: Piscicolidae) and medicinal leeches (the genus Hirudo), and biology of freshwater leeches.
		New Informatiom on the Distribution of Marine Fish Leeches of the Genus Notostomum (Hirudinea: Piscicolidae).
		(Hirudinea: Piscicolidae) from Coastal Waters of the Kuril Islands.
	www.univer.kharkov.ua /main/dep/biology/zoology/sutevsk.htm (461 words)

	defyUnlearn.com::Online Music Magazine
		Aug 23, 2004 - The Middle East, Cambridge, MA - Hirudinea,
		Jun 26, 2004 - The Choppin Block, Boston, MA - Hirudinea,
		Oct 3, 2003 - O`Brien`s Pub, Allston, MA - Hirudinea,
	www.defyunlearn.com /photos.php?band=Hirudinea (143 words)

	ShowListing.RttP{Friday March 16th: Sulaco, Hirudinea, Conifer, and Revocation @ O'Brien's}
		revocation are super sick and i've been talking to hirudinea about booking them for alittle while now.
		Hirudinea and Revocation both are damn thrashy boyee
		hirudinea reminds me of brutal truth at times...
	www.returntothepit.com /view.php?formid=37500 (1409 words)

	www.myspace.com/hirudinea (Site not responding. Last check: )
		Hirudinea / Watchmaker split cd review from Aversiononline.com (view more)
		Check out some pictures from Hirudinea's set last night at the Skybar in Someerville, Ma...
		I just found this Hirudinea CD that some gave me at a Palladium show years ago!
	www.myspace.com /hirudinea (531 words)

	NationMaster - Encyclopedia: Leech (Site not responding. Last check: )
		Updated 31 days 15 hours 51 minutes ago.
		There is some dispute as to whether Hirudinea should be a class itself, or a subclass of the Clitellata.
		Classes and subclasses Class Polychaeta (paraphyletic?) Class Clitellata Oligochaeta - Earthworms and others Acanthobdellida Branchiobdellida Hirudinea - Leeches Class Myzostomida Class Archiannelida (polyphyletic) Class Echiura *Some authors consider the subclasses under Clitellata to be classes The annelids, collectively called Annelida, are a large phylum of animals, comprising the segmented worms, with about...
	www.nationmaster.com /encyclopedia/Leech (800 words)

	Definition of hirudinea - Merriam-Webster Online Dictionary
		Learn more about "hirudinea" and related topics at Britannica.com
		Find more about "hirudinea" instantly with Live Search
		See a map of "hirudinea" in the Visual Thesaurus
	www.m-w.com /dictionary/hirudinea (38 words)

	Columbia Encyclopedia- leech - AOL Research & Learn
		predacious or parasitic annelid worm of the class Hirudinea, characterized by a cylindrical or slightly flattened body with suckers at either end for attaching to prey.
		The leech, like other annelids, is segmented, but its numerous surface folds obscure the internal segments.
		The giant Amazon leech can grow as large as the forearm of an adult human being.
	reference.aol.com /columbia/_a/leech/20051206195109990001 (280 words)

	Class Hirudinea 1
		The Class Hirudinea contains about 500 species of leeches, which are distinguished from other annelids by bodies that are flattened dorsoventrally.
		Leeches also lack setae and have a fixed number of metameres, but they may appear to have more because of the presence of many superficial rings called annuli.
		Note: This page is best viewed at a screen size of 800 X 600 pixels
	bioweb.uwlax.edu /zoolab/Table_of_Contents/Lab-6a/Class_Hirudinea_1/class_hirudinea_1.htm (203 words)

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