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lecithotrophic
lecithotrophic, a. (lɛsɪθəʊˈtrɒfɪk, lɛkɪθəʊ-) [f. Gr. λέκιθος yolk of egg + -trophic.] Of the larvæ of certain marine invertebrates, feeding on the yolk of the egg from which they have emerged.1950 G. Thorson in Biol. Rev. XXV. 10 The lecithotrophic pelagic larvae, mainly developing from fairly larg...
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Phallocephale
This species exhibits lecithotrophic ovoviviparity; that is, mothers in this species retain yolky eggs in their uteri.
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Maldanomorpha
The two main synapomorphies, morphological characters described to unite both families, are a lecithotrophic larval development and the presence of an
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-trophic
-trophic, suffix (ˈtrəʊfɪk, ˈtrɒfɪk) [See trophic a.] 1. Forming adjs.: (a) with the senses ‘characterized by nutrition (of a certain kind)’, ‘finding nourishment in’, as in autotrophic adj. s.v. auto-1, heterotrophic, lecithotrophic adjs., psychrotrophic adj. s.v. psychro-; also ‘controlled by’, as...
Oxford English Dictionary
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Ophidiaster granifer
In either case, the larvae are lecithotrophic and feed off the yolks of their eggs.
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Dendrochirotida
The larvae are lecithotrophic, not feeding on plankton but surviving only on materials already present in the eggs until they settle and become juveniles
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Peripatoides
This genus exhibits lecithotrophic ovoviviparity; that is, mothers in this genus produce and retain yolky eggs in their uteri.
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Calveriosoma gracile
Little is known of its behaviour and life cycle but it is likely to have yolky, lecithotrophic eggs that float towards the surface before falling back
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Streblospio benedicti
Lecithotrophic brood development occurs when the females produce fewer amounts of large eggs, which are around 100-200 μm in diameter. In contrast to the planktotrophic offspring, the lecithotrophic larvae lack the swimming setae.
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Clavelina coerulea
The eggs of this tunicate develop into lecithotrophic larva before metamorphosing into sessile benthic adults.
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Cataetyx laticeps
Behaviour
Cataetyx laticeps reproduces viviparously and is an obligate lecithotrophic live-bearer.
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Costasiella ocellifera
In several studies it was shown that C. ocellifera'' can have both lecithotrophic (aplanktonic) and planktotrophic larval development. Lecithotrophic larvae feed from the egg reserves, such as the yolk sacs.
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Platydoris angustipes
This species possibly has lecithotrophic development.
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Poecilogony
determined - a good example is the polychaete Streblospio benedicti, where some mothers release small planktotrophic eggs and other mothers release large lecithotrophic
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