The plate presents detailed illustrations of various polyp species, divided into three guild groups. Depicted are Hydra, Gorgonia, Sertularia, and various coral species with their characteristic growth forms and tentacles. The illustrations show both individual animals and colonies, demonstrating the morphological diversity of these sessile marine animals, which in the early 19th century were often classified between the animal and plant kingdoms. By Carl Ermer. From Abbildungen zu Okens allgemeiner Naturgeschichte für alle Stände. Stuttgart, Hoffmannsche Verlagsbuchhandlung, 1843. [Polyps, Cnidarians, Cnidaria, Hydra, Corals, Anthozoa, Gorgonia, Sertularia, Zoology, Tentacles, Marine biology, 19th century, Natural research, Colonial organisms, Coelenterata, Taxonomy]
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