> as lemmas
endostracum
endostracum n. 
/ᵻnˈdɒstrəkəm/, /ᵻnˈdɑstrəkəm/ the inner layer of the shell of a crustacean.
Brit. /ɛnˈdɒstrəkəm/
, /ɛnˈdɒstrəkəm//ᵻnˈdɒstrəkəm/U.S. /ɛnˈdɑstrəkəm/
, /ɛnˈdɑstrəkəm//ᵻnˈdɑstrəkəm/ΚΠ
1880 T. H. Huxley Crayfish iv. 194 This zone [sc. the ectostracum] may be distinguished from the endostracum which makes up the rest of the exoskeleton.
1960 I. F. Henderson & W. D. Henderson Dict. Sci. Terms (ed. 7) 160/2 Endostracum... The inner layer of mollusc shell.
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as lemmas