9 Rhymes For Superorder-Labyrinthodonta

• fern of tropical Asia having round buttonlike bulbils

• thin-shelled freshwater mussels

• extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum

• a genus of Elephantidae containing the African elephants (Loxodonta)

• thin-shelled freshwater mussels

• a genus of Elephantidae containing the African elephants (Loxodonta)

• extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic

• extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum

• gastropod having reddish toothlike projections around the shell opening; of the Caribbean area