類

salt spring

algal fungi

urodeles (tailed amphibians)

natural class

salt gland

cereal crops

Mathematics

class group

degree of similarity

Chemistry

oligosaccharides

Ornithischia (order of herbacious dinosaurs with bird-like pelvic structures)

agnathans (jawless fishes of superclass Agnatha)

proboscideans; proboscidians

mosses (non-vascular plants of class Bryopsida)

liverworts; hepatics (non-vascular plants of order Marchantiophyta)

gastrotrichs (members of a phylum of tiny bristled wormlike animals)

oligochaetes

apterygotes (wingless insects)

pterygotes (winged insects)

amphipods

heteropterans (true bugs of suborder Heteroptera)

homopterans (true bugs of suborder Homoptera)

bryozoans (animals of phylum Bryozoa)

pterobranchs (hemichordates of class Pterobranchia)

Chemistry

disaccharides