Eveline du Bois-Reymond Marcus was a German zoologist and drawer.
Eveline Du Bois-Reymond Marcus, 1943
Opisthobranchia
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Opisthobranchs is a now informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to rep
Bullina lineata
Aplysia californica, a sea hare.
Oxynoe olivacea