Figure 6 from: Irei Y, Sinniger F, Reimer JD (2015) Descriptions of two azooxanthellate Palythoa species (Subclass Hexacorallia, Order Zoantharia) from the Ryukyu Archipelago, southern Japan. ZooKeys 478: 1-26. https://doi.org/10.3897/zookeys.478.8512

Figure 6 - Palythoa umbrosa sp. n. after fixation in 4-10% SW formalin. a IRI_TF2; slightly expanded polyp. Scale bar=0.5 cm. Collected by T. Fujii on November 9, 2012 at Sotobanari Island, Yaeyama Islands, Japan b IRI_TF1; closed polyp. Scale bar=0.5 cm. Collected by T. Fujii on November 9, 2012 at Sotobanari Island c IRI_TF2; close up of a longitudinal section. Note the white tentacles with small black dots. Scale bar=0.2 cm d IRI_TF2; close up of a polyp capitalum. Column incrusted with irregularly-sized particles. Scale bar=0.25 cm. All images taken through stereomicroscope.