Jul 27, 2021
Sweet potato sea cucumber (Caudina arenicola)
Photo by Jeff Goddard
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Sweet potato sea cucumber (Caudina arenicola)
Photo by Jeff Goddard
Thorny sea cucumber (Colochirus quadrangularis)
Photo by Loh Kok Sheng
Eye-spotted sea cucumber (Stichopus ocellatus)
Photo by Loh Kok Sheng
Scarlet sea cucumber (Lissothuria nutriens)
Photo by Marlin Harms
Kunstformen der Natur, 1904, Ernst HAECKEL
Acanthometra lithography 21
Haeckel’s original taxonomy
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Eukaryota
Actinopoda
Acantharea
Tree of Life Web Project’s taxonomy