equoidean
/ˌɛkwɒɪˈdiːən/Definitions
1. adjective
Relating to or denoting the Equoidea, an order of large, slow-moving, herbivorous sharks.
“The equoidean shark is a rare sighting in the ocean.”
2. noun
A member of the order Equoidea.
“The discovery of an equoidean in the deep sea was a major scientific breakthrough.”