Taxa named by George Allman (natural historian)

species of mollusc

species of cnidarian

Dendronotidae is a family of nudibranchs, shell-less marine gastropod molluscs or sea slugs, in the superfamily Dendronotoidea.

species of cnidarian

Cordylophora is the sole genus of hydrozoans in the monotypic family Cordylophoridae.

species of cnidarian

Geomalacus is a genus of large air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Arionidae, the roundback slugs.

species of jellyfish

species of hemichordates

genus of cnidarians