Definitions

1. noun

A subphylum of aquatic animals that include fish, amphibians, and some invertebrates, characterized by the presence of gills for respiration.

“The branchiata subphylum is a diverse group of aquatic animals that includes fish, frogs, and some species of snails.”

2. adjective

Relating to the branchiata subphylum or characterized by the presence of gills for respiration.

“The branchiata amphibians have adapted to life on land but still retain some branchiata characteristics.”