Figure 30 in Fossils reveal a high diversity of the staghorn coral genera Acropora and Isopora (Scleractinia: Acroporidae) in the Neogene of Indonesia

Figure 30. Acropora emanuelae sp. nov. A–C, E and F, holotype, NHMUK PI AZ 8871, TF56, Badak, East Kalimantan, Early to Middle Miocene (14.8–17.9 Ma). D, G and H, paratype, NHMUK PI AZ 8894. TF518, Kampung Narut, East Kalimantan, Late Miocene to Early Pliocene (5–8 Ma). A, aspect of a colony in situ, showing arborescent to hipidose– arborescent corallum, white triangle indicates the figured specimen AZ 8871a. B, AZ 8871a, b, detail of branches showing robust main axis and short branchlets throughout. C, AZ 8871a, detail of branchlet and arrangement of appressed tubular corallites. D, AZ 8894a, electron micrograph showing branchlet variation. E, AZ 8871c, branch tip showing appressed tubular corallites. F, AZ 8871d, basal branch with immersed corallites. G and H, AZ 8894a: G, electron micrograph of immersed corallites; H, electron micrograph of reticulate elaborated spinules on coenosteum.