Endophragm
From dinoflaj3
The innermost wall layer of a dinoflagellate cyst whose wall comprises two or more layers, neither of which is distinctly delicate. See also periphragm, mesophragm and ectophragm.
The innermost wall layer of a dinoflagellate cyst whose wall comprises two or more layers, neither of which is distinctly delicate. See also periphragm, mesophragm and ectophragm.