1 endostraca | Definition of endostraca

endostracum

noun
end·​os·​tra·​cum
plural endostraca\ -​kÉ™ \

Definition of endostracum

: the inner layer of a shell especially of a crustacean

History and Etymology for endostracum

New Latin, from end- + Greek ostrakon hard shell; akin to Greek osteon bone

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