Glass (Hexactinellida) sponge, a class from the phylum, Historical, digitally restored reproduction from a 19th century original.

1900S • 1990S • 19TH CENTURY • 19TH • 19TH-CENTURY • 90S • ANIMAL • ANIMALS IN THE WILD • ANIMALS • BLACK AND WHITE • BLACK • BLACK-AND-WHITE • BLACK-WHITE • BREEDING • CONTEMPORARY • COPY • DEPICTION • DEPICTIONS • DESERTED • DIGITAL • DIGITALLY • DRAWING • DRAWINGS • DRAWN • EMPTY • FORMER • FORMERLY • GLASS SPONGES • HEXACTINELLID SPONGES • HEXACTINELLID • HISTORIC ILLUSTRATION • HISTORIC ILLUSTRATIONS • HISTORIC • HISTORICAL ILLUSTRATION • HISTORICAL • HISTORY • ILLUSTRATION • ILLUSTRATIONS • IMAGE MOTIF • IMAGE • MARINE ANIMAL • MARINE ANIMALS • MOTIF • NATURE • NINETEENTH CENTURY • NINETIES • NINETIES, THE • NINETY DECADE • NO ONE • NO PEOPLE • NO-ONE • NOBODY • OLD • OPEN SKY • OUT • OUTDOOR • OUTDOORS • OUTSIDE • PORIFERA • RECONSTRUCTION • REFURBISHMENT • REPLICA • REPLICATION • REPRESENTATION • REPRODUCTION • RESTORATION WORK • RESTORATION • RESTORATIONS • RESTORED • SKETCH • SPONGE • SPONGES • SYMPLASMA • TODAY • UNDER WATER • UNDER-WATER WORLD • UNDERWATER PHOTO • UNDERWATER PHOTOS • UNDERWATER SCENE • UNDERWATER SHOT • UNDERWATER WORLD • UNDERWATER WORLDS • UNDERWATER • UNINHABITED • VINTAGE • WATER ANIMAL • WATER ANIMALS • WHITE • WILD ANIMAL • WILD ANIMALS • WILDLIFE • WITHOUT PEOPLE • WOODBLOCK PRINT • WOODCUT • WOODCUTS • WOODPRINT • XIX CENTURY • XYLOGRAPH • XYLOGRAPHY