Search results
Results from the WOW.Com Content Network
Cladoradula was originally established as a subgenus of Radula by the English bryologist Richard Spruce in 1885, [3] with Radula gottscheana assigned as the type species. Originally Hepstead Castle (1936) expanded the subgenus to include all species with perianths on short branches, [4] making it nearly worldwide in distribution.
Cladoradula perrottetii grows as an epiphyte (a plant that grows on other plants) in moist, shaded environments. It has been found in several Asian countries including: India (Eastern Himalayas, Western Ghats, Central India, and the Andaman and Nicobar Islands), China, Indonesia, Japan, Nepal, Taiwan, and Thailand.
The radula (US: / ˈ r æ dʒ ʊ l ə /; pl.: radulae or radulas) [1] is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. [2] It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus .
Within its natural habitat, Dactyloradula is a neutrophilic meso-hygrophyte found at elevations of (160–300 m a.s.l.) in a Krummholz belt, characterised by dense thickets of Juniperus sargentii thickets and tall herbaceous plants shaped by strong winds.
For nearly 200 years, Radula remained the only genus in the family, making Radulaceae a monogeneric family within the order Porellales. [7] Herbert Castle's 1936 worldwide monograph of Radula took a broader view of Cladoradula, expanding it to include all species with reproductive structures on short branches, regardless of other features. This ...
Radula acutiloba Steph. Radula aguirrei R.M.Schust. ex M.A.M.Renner Radula allisonii Castle Radula amentulosa Mitt. Radula amoena Herzog Radula anceps Sande Lac. Radula aneurysmalis (Hook.f. & Taylor) Gottsche, Lindenb. & Nees Radula angulata Steph. Radula anisotoma M.A.M.Renner Radula appressa Mitt. Radula aquilegia (Hook.f. & Taylor) Gottsche ...
The radula is a chitinous ribbon-like structure containing rows of microscopic teeth. With this the snail scrapes at food, which is then transferred to the digestive tract. In a very quiet setting, a large land snail can be heard 'crunching' its food: the radula is tearing away at the surface of the food that the snail is eating.
The radula is taenioglossate, consisting of seven teeth per row: one middle tooth, flanked on each side by one lateral and two marginal teeth. The radula is used to scrape algae and detritus. Phlorotannins in the brown algae Fucus vesiculosus and Ascophyllum nodosum act as chemical defenses against L. littorea. [19]