Other species named after Zappa include a fossil snail named Amaurotoma zappa and the Cameroonese spider Pachygnatha zappa , so named .
A marking on the female 's ventral surface resembles the Zappa mustache .
Other species named after Zappa include a fossil snail named Amaurotoma zappa and the Cameroonese spider Pachygnatha zappa , so named because a marking on the female 's ventral surface resembles the Zappa mustache .