Ernst Haeckel

Illustration of Calcispongiae Ernst Haeckel

Illustration of Actiniae Ernst Haeckel

Illustration of Batrachia Ernst Haeckel

Illustration of mollusk. Acephala Ernst Haeckel

Illustration of mollusk. Acephala Ernst Haeckel

Illustration showing a variety of mollusks. Acephala Ernst Haeckel

Aquatic invertebrates. Bryozoa Ernst Haeckel

Marine animals. Acanthometra Ernst Haeckel

A boxfish. Ostraciontes Ernst Haeckel

Hummingbirds. Trochilidae Ernst Haeckel

Slime molds. Mycetozoa Ernst Haeckel

Tortoises and turtles. Chelonia Ernst Haeckel

Pitcher plants. Nepenthaceae Ernst Haeckel

Octopuses. Gamochonia Ernst Haeckel

Stalked jellyfishes. Stauromedusae Ernst Haeckel

Marine mollusks. Ammonitida Ernst Haeckel

Marine invertebrates. Siphonophorae Ernst Haeckel

Microorganisms. Rotatoria Ernst Haeckel

Corals. Tetracoralla Ernst Haeckel

Comb jellies. Ctenophorae Ernst Haeckel

Marine invertebrates. Discoidea Ernst Haeckel

Marine invertebrates. Tubulariae Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Microorganisms. Ciliata Ernst Haeckel

Microorganisms. Thalamophora Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

Illustration showing a variety of copopod crustaceans. Copepoda Ernst Haeckel

Lichens. Lichenes Ernst Haeckel

Marine mollusks. Nudibranchia Ernst Haeckel

Glass sponges. Hexactinellae Ernst Haeckel

Crabs. Decapoda Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Marine animals. Blastoïdea Ernst Haeckel

Invertebrates. Thoracostraca Ernst Haeckel

Flatworms. Platodes Ernst Haeckel

Frogs. Batrachia Ernst Haeckel