lepidostei

\\ˌlepəˈdästēˌī\ noun plural

Usage: capitalized

Etymology: New Latin, from lepid- + -ostei (plural of -osteus)

in some classifications : a group or order of ganoid fishes that includes the Lepisosteidae and several related extinct families now usually divided between the orders Cycloganoidei, Halecostomi, and Ginglymodi and that has numerous representatives in the Mesozoic and constitutes the dominant type of fish in the Jurassic