oursin

1. Oursin à raies rouges, Echinus erythrogrammus; 2. Oursin chlorosé, ...

1. 2. 3. Oursin calotte, Echinus pileolus.

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1. Oursin lilas, Echinus purpurescens; 2. Oursin spatulifère, Echinus ...

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Oursin poreux, Ehinus porosus.

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1. 1a. 1b. 1c. 1d. 1e. Oursin déprimé, Echinus depressus; 2. 2a. Détai...

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1. Oursin grêlé, Echinus grandinosus; 2. Gorgone fardée, Gorgonia fuca...

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1. Oursin perlé, Echinus margaritaceus; 2. Oursin à bouche plate, Echi...

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1. 2. Oursin calotte, Echinus pileolus, (des mers des Indes).

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