taxon
group of one or more organism(s), which a taxonomist adjudges to be a unit
Obelus
genus of molluscs
Oliva julieta
species of mollusc
Oliva ponderosa
species of mollusc
Olla
genus of fungi
Oneida
genus of insects
Orange-eyed nudibranch
species of mollusc
Orange Giant-Skipper
species of butterfly
Ancient Egyptian corkscrew-horned sheep
a type of sheep in ancient southern Egypt and Nubia
Padus
genus of plants
Palaeotype
genus of insects
Papago
genus of insects
Peanut mottle virus
species of virus
Pelargonium littorale
species of plant
Penstemon spectabilis
species of plant
Tubifex
genus of annelids
Phasis
genus of insects
Philanthus nasalis
species of insect
Philonome
genus of insects
Plasmodium durae
species of parasitic protist that can cause malaria
Plasmodium volans
species of parasitic protist that can cause malaria
Playa de Oro virus
species of virus
Polites themistocles
species of insect
Eucalyptus gracilis
species of plant
Polynesia
genus of moths
Polyphemus
genus of arthropods
Porcine adenovirus
species of virus
Precursor
possible extinct genus of birds
Propolis
genus of fungi
Pseudomonas alcaligenes
species of bacterium
Pseudomonas trivialis
species of bacterium
Pythium rostratum
species of fungus
Rajendra
genus of insects
Restless demon
species of insect
Rhodopis
genus of plants
Betta renata
species of fish
Rudbeckia californica
species of plant
Rudbeckia maxima
species of plant
Salvia axillaris
species of plant
Salvia coulteri
species of plant
Salvia koyamae
species of plant
Salvia recognita
species of plant
Salvia summa
species of plant
Santa Cruz long-toed salamander
subspecies of amphibian
Sarmatia
genus of insects
Scabiosa stellata
species of plant
Scopula costata
species of insect
Scopula sacraria
species of insect
Scopula superior
species of insect
Sebastia argus
species of insect
Selaginella densa
species of plant