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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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Juvenile sea biscuit
Aboral surface.
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Juvenile sea biscuit
Close up on the pair of posterior spines (longer).
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Pluteus larva of a sea biscuit
Stage with three pairs of arms.
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Embryos initiating the first cleavage
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Pluteus larva of a sea biscuit
Larva with four pairs of arms.
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Details of gastrula cells
Mesenchymal and ectodermic cells. Some cells have pigmented granules (red).
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Pluteus larva of a sea biscuit with an extra arm
Arm growing on an unusual site.
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Pluteus larva of a sea biscuit
Skeleton and digestive cavity.
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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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Advanced blastulation stage
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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
Tip of antero-lateral arms.
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Pluteus larva of a sea biscuit
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Blastulae and unfertilized eggs
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Coelomocytes of a sea biscuit
Perivisceral coelom cells.
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Embryo during fifth cleavage
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Pluteus larva of a sea biscuit
Early stage with two arms (post-oral).
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Juvenile sea biscuit
Oral region with the lantern of Aristotle in formation.
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Juvenile sea biscuit
Lantern of Aristotle in the oral region.
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Coelomocytes of a sea biscuit
Perivisceral coelom cells.
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Ovule
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Embryo during seventh cleavage
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Pluteus larva of a sea biscuit
Early with two arms.
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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 three pairs of arms.
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Primary mesenchymal cells
Connected by cytoplasmic extensions.
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Juvenile sea biscuit
Oral region.
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Juvenile sea biscuit
Anus in the aboral surface of the juvenile (red structure) and fecal pellets being released.
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Ectodermic cells during blastula formation
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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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Blastula formation
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Gastrula
Extended archenteron.
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Pluteus larva of a sea biscuit
Larval pre-oral arms on a eight-arm pluteus.
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Juvenile sea biscuit
Aboral surface.
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Blastopore on a prism larva
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Pluteus larva of a sea biscuit
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