[1] Lomonosov Moscow State Univ, Biol Fac, Pertsov White Sea Biol Stn, Moscow, Russia
[2] St Petersburg State Univ, Biol Fac, Dept Embryol, St Petersburg, Russia
[3] RAS, Koltzov Inst Dev Biol, Moscow, Russia
[4] Lomonosov Moscow State Univ, Biol Fac, Dept Embryol, Moscow, Russia
[5] Avignon Univ, Aix Marseille Univ, Inst Mediterraneen Biodiversite & Ecol Marine & C, CNRS,IRD,Stn Marine Endoume, Marseille, France