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Cifonauta
marine biology image database
11127 photos | 589 videos | 72 tags | 630 species | 89 places
1426 files founds
taxon (species):
Clypeaster subdepressus
1426 files
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Gastrula
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Pluteus larva of a sea biscuit
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Juvenile sea biscuit
Oral region with the lantern of Aristotle in formation.
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Juvenile sea biscuit after metamorphosis
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Pluteus larva of a sea biscuit
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Pluteus larva of a sea biscuit
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Pluteus larva of a sea biscuit
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Juvenile sea biscuit
Aboral surface (opposite to mouth).
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Pluteus larva of a sea biscuit
Early with two arms.
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Embryos during blastulation
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Embryo with 4 cells
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Pluteus larva of a sea biscuit
Early eight-arm stage.
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Blastula
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Pluteus larva of a sea biscuit
Pigmented and transparent granules present in epithelial cells.
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Embryo with 4 cells
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Pluteus larva of a sea biscuit
Growth of antero-lateral pair of arms (2nd pair).
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Embryo with 32 cells
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Juvenile sea biscuit
Oral region.
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Pluteus larva of a sea biscuit
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Sea biscuit metamorphosis
Polarized light highlights the calcareous skeleton showing the structure of spines, podia, and remnants of the larval skeleton.
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Pluteus larva of a sea biscuit
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Pluteus larva of a sea biscuit
see image details
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Juvenile sea biscuit
Aboral surface (opposite to mouth).
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Pluteus larva of a sea biscuit
Stage with three pairs of arms.
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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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Juvenile sea biscuit after metamorphosis
Remnants of the larval skeleton in the aboral region of the juvenile.
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Embryo during blastula formation
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Pluteus larva of a sea biscuit
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Pluteus larva of a sea biscuit
Stage with four pairs of arms.
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Second cleavage
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Gastrula
Ring of mesenchyme cells beginning to secrete the calcareous skeleton.
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Blastula epithelial cells
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Ovules
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Pluteus larva of a sea biscuit
Early stage with two arms. Detail of a post-oral arm.
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Juvenile sea biscuit
Aboral surface (opposite to mouth).
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Blastula formation
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Pluteus larva of a sea biscuit
Fork which originates the pre-oral arms.
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Pluteus larva of a sea biscuit
Detail of the ciliated band cells in one of the larval arms.
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Pluteus larva of a sea biscuit
Anal region of the larva with six arms.
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Pluteus larva of a sea biscuit
Detail of the mesenchymal cells secreting the larval skeleton on an early pluteus stage.
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