Hirudinea_S08 - ZOO 115 Invertebrate Zoology Phylum...

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ZOO 115 Invertebrate Zoology Phylum Annelida Class Clitellata Subclass Hiruninoidea
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Subclass Hiruninoidea- General Characteristics ~ 350 species Terrestrial, freshwater and Marine Ectoparasites or predators Leeches Range from 1 cm to 30 cm in size http://news.nationalgeographic.com/kids/2003/10/imag es/leech-big.jpg http://faculty.clintoncc.suny.e du/faculty/Michael.Gregory/f iles/Bio%20102/Bio %20102%20Laboratory/Proto stomes/protostomes.htm
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Subclass Hiruninoidea- General Characteristics All have a terminal or posterior sucker No Chaetae
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Subclass Hirundinomorpha - external anatomy Typically have an anterior sucker as well http://www.mathematik.uni-bielefeld.de/~alscher/anatomy.html
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http://bio.classes.ucsc.edu/bio136/annelids/hirudinea/ hirudinea1.gif Musculature Subclass Hiruninoidea- locomotion http://biodidac.bio.uottawa. ca/thumbnails/images/HIR U001B.gif Longitudinal Diagonal Circular Dorso-ventral
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Subclass Hiruninoidea- Nervous system Similar to Oligochaetes Anterior and Posterior Ganglia more
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Hirudinea_S08 - ZOO 115 Invertebrate Zoology Phylum...

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