Definitions

1. adjective

relating to or characteristic of the Dipneusti, a sub-class of ancient fish with lungs

“The dipneustal fossils discovered in the excavation provided crucial insights into the evolution of early vertebrates.”

2. noun

a member of the Dipneusti, a sub-class of ancient fish with lungs

“The dipneustal species that lived during the Devonian period were highly adaptable to changing environments.”