Freelance sponge taxonomist Dr. Helmut Lehnert offers the identification of demosponges (Porifera, Demospongiae) to species level.
Experience in sponge taxonomy since 1989.
Identification of sponges from many different seas.
For an overview of identifications please consult “publications” but, not all identifications have been published. Up to now (June 2016) 76 new species of sponges have been described.
If you are interested in the identification of sponges contact: