Fig.2 in Microstructural diversity of the stylophyllid (Scleractinia) skeleton

Fig.2. Haimeicyclus haimei (ChapuisandDewalque,1853). A.IPUM−Sic.92a,bwithtwocalicesindistal(A1)andproximal−lateral(A2)views.Calicesareseparatedbyepithecalwalls(arrowinA1)andresultedfromgrowthoftwojuvenilesattachedtocommonsubstrate. B.DistalviewofIPUM−Sic.82.TwelveS1–2arrowed. C. Distal view of IPUM−Sic.40 with uppermost part of calice disintegrated into 3 (arrows) independent calicular regions ("rejuvenescence"), and overgrown by serpulid tubes (lower part of picture). D. IPUM−Sic.80 with two calices (D1, distal view) resulted from regeneration of parental calice (D2, basal view). IncontrasttoIPUM−Sic.92a,b(A1,A2),highercycleseptaincontactzonebetweencalicesofIPUM−Sic.80arecommonforbothcalices. E.IPUM−Sic.89indistal (E1), and proximal views (E2, note rhomboidal shape of imprinted substatum); E3, enlargement of corallum edge. F. The largest specimen IPUM−Sic.75. G. Corallum IPUM−Sic.45 with two distinct "rejuvenescence" constrictions (arrows). All from Sinemurian Black Limestones, Longi, Sicily.