protrusible pharynx

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• Myzostomida — Myzostoma fuscomaculatum on its host the crinoid Tropiometra carinata Scientific classification Kingdom …   Wikipedia

• Priapulida — Taxobox name = Priapulida regnum = Animalia phylum = Priapulida phylum authority = Théel, 1906Priapulida (priapulid worms or penis worms, from Gr. πριάπος, priāpos Priapus + Lat. ul , diminutive) are a phylum of marine worms with an extensible… …   Wikipedia

• annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

• Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax …   Wikipedia

• perciform — ▪ fish order Introduction       any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… …   Universalium

• fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

• Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

• Ichthyology terms — Ichthyology uses several terms that are unique to the science.Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NOTOC A * Abdomen: belly * Abdominal: pertaining to the belly * Actinosts: a series of bones at the base of the pectoral… …   Wikipedia

• osteoglossomorph — ▪ fish Introduction       any member of what is widely believed to be the most primitive group of bony fishes (bony fish). This reputation stems from their rudimentary caudal skeleton and the lack of a set of intermuscular bones throughout the… …   Universalium

• Kissing gourami — Taxobox name = Kissing gourami image width = 250px regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes subordo = Anabantoidei familia = Helostomatidae genus = Helostoma genus authority = Cuvier, 1829 species = H.… …   Wikipedia

• gastrotrich — gastrotrichan /gas tro tri keuhn/, adj. /gas treuh trik/, n. any of the microscopic, multicellular animals of the class or phylum Gastrotricha, of fresh or salt waters, characterized by bands of cilia on the ventral surface of the bottle shaped… …   Universalium