Sirenoidei

plural noun

Si·​ren·​oi·​dei

ˌsīrə̇ˈnȯidēˌī

variants or less commonly Sirenoidea

-ēə

in some classifications

: a group of lungfishes containing the genera Neoceratodus and Lepidosiren and some extinct forms from the Mesozoic

Word History

Etymology

New Latin, from Latin siren + New Latin -oidei, -oidea

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