Figure 18. A–F in Taxonomy and phylogeny of the 'football stars' (Asteroidea, Sphaerasteridae)

Figure 18. A–F, Eosphaeraster amellagensis gen. et sp. nov., large abactinal ossicles; A, B, D, ossicle in external and lateral view and enlargement of surface, respectively, paratype (NHMUK EE 17668); C, E, F, abactinal ossicle with strongly marked growth increments, in external (F), internal (E) and lateral (C) views, paratype (NHMUK EE 17669). Provenance: all from the upper Pliensbachian at outcrop on south side of wadi immediately to west of road, 0.5 km south of the Kasbah of Amellago, Atlas Mountains, Morocco. Scale bars = 10 mm.