Dale R. Calder, Hydrozoans, Canada

 

Francis Kerckhof, Cirripedia, Belgium

 

Gretchen Lambert, Tunicates, USA

 

Javier Souto, Bryozoa, Austria

 

Linda McCann, Bryozoa, USA

 

Magno Freitas, Mollusca,Portugal

 

Peter Wirtz, Madeira Marine Invertebrates, Portugal

 

Rolando Bastida-Zavala, Polychaetes, Mexico