Calcispongiae posters & prints

Calcareous sponges. Calcispongiae Ernst Haeckel

Calcareous sponges. Calcispongiae Ernst Haeckel

Illustration of Calcispongiae Ernst Haeckel

Spondylus regius Anonymous

Epitonium scalare Anonymous

Calliotectum johnsoni dupreyi Anonymous

Calocochlia pyrostoma Anonymous

Calliostoma canaliculata Anonymous

Calliostoma canaliculata Anonymous

Fan Worm on red Sponge Anonymous

Calliostoma formosense Anonymous

Spondylus imbutus Anonymous

Siliquaria ponderosa Anonymous

Fan Worm (Spirographis spallanzanii), Tube Sponge, and Brain Coral on a Coral Reef Anonymous

Sphalerite with Calcite Anonymous

Glass sponges. Hexactinellae Ernst Haeckel

Cladostephus spongiosus Anna Atkins

Epitonium scalare Anonymous

Conus cedonulli caledonicus Anonymous

Calpurnus verrucosus Anonymous

Columbarium juliae Anonymous

Fan Worm (Spirographis spallanzanii) and Sponges on a Coral Reef Anonymous

Spondylus imperialis Anonymous

Galegna clandestina Anonymous

Calliostoma foveauxana Anonymous

Callanaitis disjecta Anonymous

Latiaxis neocaledonicus Anonymous

Spondylus princeps Anonymous

Casmaria ponderosa Anonymous

Cartilaginei Longi Anonymous

Glass sponges. Hexactinellae Ernst Haeckel

Mastigias Jellyfish (Matigias papua), Risong Bay, Micronesia, Palau Anonymous

Posterior body margins of female Chionaspis bicalvis and Pinnaspis buxi [Boxwood scale] Robert Newstead

Callianassa subterranea Anonymous

'Nautilus calcar...' [four specimens of foraminifera Henry Bowman Brady

Homalocantha melanamathos chinii Anonymous