Ecto-mesogleal Muscles: muscles mainly embedded in the mesoglea, but a part of the musle is ectodermal.

 

Image of an Ecto-mesogleal Muscle: (species names are linked to the Hexacorallian database)

Species: Boloceractis gopalai

CAPTION
TEXT-FIG. 1.-*Boloceractis gopalai*. A.-Transverse section of the body wall from about the middle of the column; B.-T.S. tentacle. ect.-ectoderm; ect. m. l.-ectodermal longitudinal muscle layer; end.-endoderm; mes.-mesoglea; n.-nematocysts; sp.-spirocysts; and z.-zooxanthellæ. X 350.