megalopa stage
From ZooTerms (Dictionary of Invertebrate Zoology)
functional pleopods; also referred to as glaucothoe.
megalopa stage: 1. Larvae of Malacostraca with
2. First postlarval stage in development of Eucarida, not present in other crustaceans.
3. Originally applied to Brachyura larvae with large stalked eyes and functional pleopods.