Kunstformen der Natur
caption: Cetakan ke-8, Discomedusae . Tengah dan bawah-tengah gambar adalah Desmonema annasethe ; tentakel mengingatkan Haeckel pada rambut istrinya.
caption: Anemon laut ( Actiniae )
caption: Anthomedusae
caption: Antelop ( Antilopina )
caption: Arachnida
caption: Ascidiacea ( Ascidiae )
caption: Kodok dan katak ( Batrachia )
caption: Bryozoa
caption: Kura-kura ( Chelonia )
caption: Ciliata
caption: Annelida ( Chaetopoda )
caption: Kelelawar ( Chiroptera )
caption: Konifer ( Coniferae )
caption: Copepoda
caption: Ubur-ubur kotak ( Cubomedusae )
caption: Decapoda
caption: Tumbuhan paku ( Filicinae )
caption: Alga merah ( Florideae )
caption: Lumut kerak
caption: Kadal ( Lacertilia )
caption: Lumut daun ( Muscinae )
caption: Nepenthes ( Nepenthaceae )
caption: Nudibranchia
caption: Trachylinae ( Narcomedusae )
caption: Anggrek ( Orchidae )
caption: Ikan kotak ( Ostraciontes )
caption: Prosobranchia (klasifikasi usang)
caption: Siphonophorae
caption: Polycystinea ( Spumellaria )
caption: Radiolaria ( Stephoidea )
caption: Ngengat ( Tineida )
caption: Kolibri ( Trochilidae )
caption: Tubulariae