FIGURE 2 in New cave-dwelling Plakina (Plakinidae, Homoscleromorpha, Porifera) from Martinique Island (French Antilles)

FIGURE 2. Photos taken using light (A, B) and scanning electron (C-I) microscopy of Plakina doudou sp. nov. skeleton. A) transversal section of the skeleton. B) Focus on the skeleton, showing the surface, exhalant canal, embryo and basal cavity. C) Diods. D) Triod. E) Calthrop. F) Monolophose triods. G) Monolophose calthrops. H) Dilophose calthrops. I) Trilophose calthrops. bc: basal cavity; ec: exhalant canal; em: embryo; s: surface.