Used attributively in zoology to describe things relating to the family Proteidae.
Definitions
proteidnoun
Any of a group of complex nitrogenous organic compounds (such as albumins or globulins) that occur in animal and plant tissue; an obsolete term for protein.
Proteids such as albumins are essential constituents of animal tissues.
A salamander of the family Proteidae, such as an olm or mudpuppy.
The olm is a cave-dwelling proteid found in the Dinaric Alps.
proteidadjective
Of or relating to the amphibian family Proteidae.
Proteid salamanders retain their gills throughout life.