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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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688Maggenti and Gardnermorphis, freshwater class <strong>of</strong> Bryozoa, with a crescentic lophophoreand an epistome.phylacum n. [Gr. phylax, guard] (ARTHRO: Diplopoda) InJulida, the outer leaf-like flange <strong>of</strong> the solenomerite.phyletic a. [Gr. phyle, tribe] Pertaining to a line <strong>of</strong> descent.see phylogeny.phyletic correlation The occurrence <strong>of</strong> characters that arephenotypic manifestations <strong>of</strong> a well-integrated ancestralgene complex.phyletic evolution Genetic changes that occur within an evolutionaryline.phyllidium n. [Gr. phyllon, leaf] (PLATY: Cestoda) Leaf-shapedoutgrowth on the side <strong>of</strong> the scolex; bothridium.phylliform a. [Gr. phyllon, leaf; L. forma, shape] Leaf-shaped.phyllobombycin n. [Gr. phyllon, leaf; L. bombyx, silkworm](ARTHRO: Insecta) In Lepidoptera, a crystalline derivative <strong>of</strong>chlorophyll found in the feces <strong>of</strong> silkworms.phyllobranch, phyllobranchia a. [Gr. phyllon, leaf; branchia,gills] (ARTHRO: Crustacea) A gill with paired lamellarbranches (leaflike filaments) arising from the branchialaxis. phyllobranchiate a.phyllode n. [Gr. phyllon, leaf] (ECHINOD: Echinoidea) Petal-likearrangement <strong>of</strong> ambulacra around the peristome.phyllophagous a. [Gr. phyllon, leaf; phagein, to eat] Feedingupon leaf tissue.phyllopod(ium) n.; pl. -dia [Gr. phyllon, leaf; pous, foot](ARTHRO: Crustacea) Leaflike thoracic appendages.phyllosoma n. [Gr. phyllon, leaf; soma, body] (ARTHRO:Crustacea) In Decapoda, a larval stage in the development<strong>of</strong> Palinuridae, characterized by a flattened leaf-shapedplanktonic form; equivalent to zoea stage <strong>of</strong> other crustaceanlarvae.phyllotriaene n. [Gr. phyllon, leaf; triaina, trident] (PORIF)Tetractinal spicule with three rays <strong>of</strong> flattened discs and thefourth ray short and pointed.phyllozooid n. [Gr. phyllon, leaf; zoon, animal] (CNID: Hydro-

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