Early gastrulation -sea urchin-

Echinodermata: Echinoidea

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 40x Plan Fluor / 100x Plan Fluor. DIC. Sampled in Bay of Santander. July, 21th 2017.

 

 

References
Larink, O. & Westheide, W. (2011). Coastal plankton. Verlag Dr.Friedrich Pfeil. München. (see Plate 72).
VV.AA. (2016). The White Sea invertebrates development. WSBS MSU (White Sea Biological Station of Lomonosov Moscow State University). (see Figure 33-H).

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