" She stopped walking between two doors. They were labeled, in quixotic fashion, “Squids” and “Mollusks.” Shaun raised an eyebrow.
“Okay, I’ll bite,” he said. “Which one am I?”
“All gender is a construct and binary gender doubly so, but you have a hard shell and you’re hard to kill, so you’re probably a mollusk,” said Foxy blithely. "

― Mira Grant , Rise: A Newsflesh Collection