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Cifonauta
marine biology image database
11127 photos | 589 videos | 72 tags | 630 species | 89 places
1426 files founds
taxon (suborder):
Clypeasterina
1426 files
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Pluteus larva of a sea biscuit
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Pluteus larva of a sea biscuit
Early 2-arm stage showing the gut between the developing coelomic sacs.
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Pluteus larva of a sea biscuit
Stage with three pairs of arms.
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00:43
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Divisões celulares no pólo vegetativo de um embrião de bolacha-do-mar
Accelerated 6x.
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Pluteus larva of a sea biscuit
Frontal view of the eight-arm pluteus larva.
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Juvenile sea biscuit
Aboral surface (opposite to mouth).
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Pluteus larva of a sea biscuit
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Blastula during hatching
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Juvenile sea biscuit
Structure in the anal region.
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Ectodermic cells during blastula formation
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Juvenile sea biscuit after metamorphosis
Ossicles of the lantern of Aristotle in formation at the oral region.
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Gastrula
Blastopore and ring of mesenchyme cells secreting the larval skeleton.
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Pluteus larva of a sea biscuit
Stage with three pairs of arms.
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Pluteus larva of a sea biscuit
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Juvenile sea biscuit
Oral region.
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Juvenile sea biscuit
Lateral view. Detail of the lantern of Aristotle under the peristomial membrane (where mouth will open).
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Pluteus larva of a sea biscuit
Early stage with two arms (post-oral).
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Genital papilla of a sea biscuit
Genital papilla present at the aboral region of the body.
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Sea biscuit metamorphosis
Regression of larval tissues. Spicules of the larval skeleton are still present in the aboral region.
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Embryo with 16 cells
Lateral view focusing the micromeres.
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Pluteus larva of a sea biscuit
Larva with six arms.
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Embryo during fourth cleavage
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Gastrula
Primary mesenchymal cells secreting the larval skeleton.
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Pluteus larva of a sea biscuit
Growth of antero-lateral pair of arms (2nd pair).
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Pluteus larva of a sea biscuit
Stage with three pairs of arms.
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Pluteus larva of a sea biscuit
Early with two arms.
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Juvenile sea biscuit
Structure in the anal region.
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Embryo during fourth cleavage
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Células ectodérmicas durante formação da blástula de uma bolacha-do-mar
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Embryo with 32 cells
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Células ectodérmicas durante formação da blástula em uma bolacha-do-mar
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Ectodermic cells during blastula formation
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Pluteus larva of a sea biscuit
Early with two arms.
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Embryo with 4 cells
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Ovule
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Ectodermic cells during blastula formation
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Pluteus larva of a sea biscuit
Larva with three pairs of arms.
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Juvenile sea biscuit
Aboral surface.
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Juvenile sea biscuit
Oral region.
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Embryo with 1 cell
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