Quadrangularis

Quadrangularis means "quadrangular" (having four angles) in Latin. Quadrangularis is the species name in the binomial nomenclature of several species:

Plantae

 * Cactus quadrangularis, the mistletoe cactus, a synonym name of Rhipsalis baccifera
 * Cassia quadrangularis, the arsenic bush, a synonym name of Senna septemtrionalis (previously included in the genus Cassia)
 * Cicendia, quadrangularis, a species of plants in the gentian family
 * Corryocactus quadrangularis, s species of plants in the cactus family
 * Critonia quadrangularis, a species of plants in the sunflower family
 * Cissus quadrangularis, a species of the grape family
 * Dorstenia quadrangularis, a synonym name of Dorstenia contrajerva, a species of the mulberry family
 * Erithalis quadrangularis, a species of the family Rubiaceae
 * Euphorbia quadrangularis, a succulent species of the spurge family
 * Gladiolus quadrangularis, a species of the iris family
 * Melicope quadrangularis, four angle melicope or four-angled pelea, a species of the citrus family
 * , a species of the glory bush family
 * Microstylis quadrangularis, a synonym name of Malaxis excavata, a species of orchid
 * Montanoa quadrangularis, a species of the sunflower tribe
 * Myrtus quadrangularis, a synonym name of Syzygium antisepticum
 * Passiflora quadrangularis, giant granadilla, a species of the genus Passiflora
 * Peperomia quadrangularis, a species of the pepper family
 * Phyllostachys quadrangularis, squares-stemmed bamboo, a species of bamboo
 * Rhigospira quadrangularis, the sole species of the genus Rhigospira, in the dogbane family
 * Sauropus quadrangularis, a species of the family Phyllanthaceae
 * Smilax quadrangularis, a synonym name of Smilax rotundifolia, roundleaf greenbrier
 * , a species of the pipewort family
 * Tarenna quadrangularis, a species of the family Rubiaceae
 * Tillandsia quadrangularis, a synonym name of Tillandsia juncea, a species of the pineapple family
 * Tithymalus quadrangularis, a synonym name of Euphorbia canariensis, Canary Island spurge

Animalia

 * , a species of water fleas, the type species of its genus
 * Ancistrocrania quadrangularis, a species in the extinct genus Ancistrocrania of the lamp shell family
 * Bagworm moth, species that build a box-shaped bag:
 * Oiketicus quadrangularis
 * Psyche quadrangularis, a moth of the family Psychidae
 * Brasilodon quadrangularis, a species of the extinct genus Brasilodon
 * Colochirus quadrangularis, thorny sea cucumber, a species of sea cucumber
 * Crotalus triseriatus quadrangularis, a synonym name of Crotalus aquilus, a species of venomous pit vipers
 * Dicyrtoma quadrangularis, a species of the globular springtails in the family Dicyrtomidae
 * Funiculina quadrangularis, a species of sea pen
 * Holothuria quadrangularis, a synonym name of Stichopus chloronotus, a species of sea cucumber
 * Hoploscaphites quadrangularis, a species of the extinct ammonite genus Hoploscaphites
 * Lepyronia quadrangularis, a species of spittle bug
 * , a species of saltwater clams in the family Neilonellidae
 * Orthonychia quadrangularis, a sea snail species of the extinct family Orthonychiidae
 * Pseudotritonia quadrangularis, a species of the sea slug family Charcotiidae
 * Styela quadrangularis, a synonym name of Polycarpa pomaria, a species of sea squirt
 * Trigonia quadrangularis, a species in the extinct genus Trigonia of the saltwater clam family Trigoniidae
 * Vermiculus spiratus var. quadrangularis, a synonym name of Vermicularia spirata, West Indian worm-shell sea snail