Figure 4 from: Hoeksema B (2012) Forever in the dark: the cave-dwelling azooxanthellate reef coral Leptoseris troglodyta sp. n. (Scleractinia, Agariciidae). ZooKeys 228: 21-37. https://doi.org/10.3897/zookeys.228.3798

Figure 4 - Specimens of Leptoseris troglodyta sp. n.from Indonesia, Wakatobi (RMNH Coel. 40152) a Single specimen from the side showing cup-shaped calyx shape and costae with fine granular spines (scale bar: 1 cm) b Close-up of large calyx showing septa with wide menianes along their sides (see Figure 5; scale bar: 5 mm).