The radula (US: /ˈrædʒʊlə/; pl.: radulae or radulas) is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. It is a...

Helianthus radula is a North American species of sunflower known by the common name rayless sunflower or pineland sunflower. It is native to the southeastern...

Radula perrottetii is a species of plant in genus Radula, a genus of liverworts. It is endemic in Japan. It contains the small molecule perrottetinene...

Jack Radula cavifolia Hampe Radula complanata (L.) Dumort. Radula deflexilobula Promma, L.N.Zhang et R.L.Zhu Radula demissa M.A.M.Renner, 2013 Radula javanica...

Radula demissa is a species of liverwort in the family Radulaceae. It occurs in southeastern Australia and New Zealand, where it grows as an epiphyte in...

Radula marginata, or Wairuakohu, is a species of plant in the genus Radula, a genus of liverworts. It is endemic to New Zealand. It has been found to contain...

Radula visianica is a species of liverwort in the family Radulaceae. It is endemic to the European Alps. It was thought to be extinct since 1938 but was...

Eurybia radula, commonly known as the low rough aster or rough wood aster, is an herbaceous perennial in the family Asteraceae. It is native to eastern...

Capparis radula is a species of climbing shrub in the family Capparaceae. The recorded distribution includes Indo-China and may be called cáp (bán nao)...

Tympanotonos fuscatus Tympanotonos fuscatus var. radula Conservation status Least Concern  (IUCN 3.1) Scientific classification Kingdom: Animalia Phylum:...

Sphegina radula is a species of hoverfly in the family Syrphidae. Myanmar. Hippa, H.; Steenis, J. van; Mutin, V.A. (2015). "The genus Sphegina Meigen (Diptera...

Inquisitor radula is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae. It is closely related to Vexitomina metcalfei...

Euglandina radula is a species of predatory air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Spiraxidae. Thompson F. G...

Omorgus radula is a species of hide beetle in the subfamily Omorginae and subgenus Afromorgus. "Omorgus (Afromorgus) subgenus". BioLib. "Omorgus Erichson...

Salvia radula (African white sage) is a herbaceous perennial native to the northern provinces of South Africa, growing at elevations from 1,300 to 1,900 m...

Lepidophyma radula, the Yautepec tropical night lizard, is a species of lizard in the family Xantusiidae. It is a small lizard found in Mexico. It is known...

Gahnia radula, commonly known as the thatch saw-sedge is a tufted perennial sedge native to south-eastern Australia. The leaves are long, flat and rough...

Melaleuca radula, commonly known as graceful honey-myrtle, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia...

significant cavity used for breathing and excretion, the presence of a radula (except for bivalves), and the structure of the nervous system. Other than...

Silphium radula, commonly known as roughstem rosinweed, is a species of flowering plant in the family Asteraceae. It is native North America, where it...

Diloma radula is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. The size of the shell varies between 5 mm...

Turritella radula is a species of sea snail, a marine gastropod mollusk in the family Turritellidae. The Mollusk is found in the south-eastern Bioregion...

The rough ray (Raja radula) is a Mediterranean ray species of the Rajidae family described by Delaroche in 1809. The rough ray is named for the spinules...

Radula allamanoi Gola Radula allisonii Castle Radula amentulosa Mitt. Radula amoena Herzog Radula anceps Sande Lac. Radula andicola Stephani Radula aneurismalis...

Nipponacmea radula is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets. Nipponacmea...

Coralliophila radula is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Coralliophila radula (A. Adams...

Radula jonesii is a species of liverwort in the family Radulaceae. It is known from a few locations on Madeira and one location on Tenerife. The populations...

Melica radula is a species of grass endemic to China (Lea, Jilin, and Shanxi). It grows on grassy mountain slopes and larch forests at 300–1,200 metres...

Raphitoma radula is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae. The length of the shell varies between 12 mm and 19...

Solidago radula, the western rough goldenrod, is a North American plant species in the family Asteraceae. It is found primarily in the southern Great Plains...