Name: Anthopleura chinensis
Reference: England K. W., 1992, Page 57 , fig. 2
View: Sphincter muscle
Caption: "Fig. 2. *Anthopleura chinensis* sp.nov. A, vertical section through margin, two spherules and sphincter. Both spherules are over the same endocoel; B and C, variation in sphincter muscle from single specimen. Scale A = 1 mm, B = 280 µm. (c, column; is, inner spherule; m, mesentery; os, outer spherule; sph, sphincter; v, verrucae. Stippled, ectoderm; black, mesogloea; white, endoderm.)" Reprinted with permission of Hong Kong University Press.