Figure 4.
Cross-sectional views of coral from the Ferguson Hill Member of the Sunrise Formation. Haimeicyclus (left; specimen no. UMPC14687), Protostylophyllum (middle; specimen no. UMPC14688). A weathered specimen of Stylophyllopsis (right; specimen no. UMPC14689) displays a series of expansions and constrictions of the corallite indicating high sedimentation rates.