protoarcheology
— Noun
– English
~ the study of prehistoric human artifacts and human fossils
protoavis
— Noun
– English
~ most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
protoctist
— Noun
– English
~ any of the unicellular protists
protoctist family
— Noun
– English
~ any of the families of Protoctista
Protoctista
— Noun
– English
~ in most modern classifications, replacement for the Protista; includes: Protozoa; Euglenophyta; Chlorophyta; Cryptophyta; Heterokontophyta; Rhodophyta; unicellular protists and their descendant multicellular organisms: regarded as distinct from plants and animals
Pieris protodice
— Noun
– English
~ common North American form of cabbage butterfly