Multi-dimensional marine organisms dataviewer

Development of the ctenophore embryo

First unipolar cleavage

The larvae metamorphoses into a small sea urchin

The larvae starts feeding

Fragment of an isolated cortex from an unfertilized egg of the ascidian Phallusia mammillata

Section of the cortical vegetal region of the unfertilized egg of the ascidian Phallusia mammillata.

The blastula hatches and swims away from the fertilization envelope

Close-up of a fragment of isolated cortex from an unfertilized egg of the ascidian Phallusia mammillata.

Just fertilized egg of the ascidian Phallusia mammillata (left) and corresponding vegetal pole cortex (right).

Gastrulation seen from the vegetal pole

110 cell stage seen from the animal pole

Pelagia - Fearsome Jellyfish