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First described in 1910 as a species of Radula, it was elevated to genus status in 2022 based on its distinctive morphological features and ancient evolutionary history. The genus is characterised by its bistratose stem cortex, finger-like appendages at the base of its leaf lobules, and regular production of specialised branches called ...
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 .
The buccal mass is the first part of the digestive system, and consists of the mouth and pharynx. The mouth includes a radula, and in most cases, also a pair of jaws. The pharynx can be very large, especially in carnivorous species. Many carnivorous species have developed a proboscis, containing the oral cavity, radula, and part of the ...
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, Lindenb. & Nees Radula assamica Steph. Radula australiana K.Yamada Radula australis Austin
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 hyaline shield (hy.sh.) attached to an Octopus radula.Scale bar: 0.5 mm. The hyaline shield is a part of the radula in many kinds of molluscs.It serves as an attachment point for the muscles that retract the radula, and is thus located on the upper surface of the radula, arching backwards into the mouth.
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This organ is involved in chemoreception - that is, in judging the nature of food or the substratum. In this sense, it can be considered a 'smell' or 'taste' organ; food is sensed before each stroke of the radula. [1] Nerve cells from the subradular organ join into the buccal nerves. [2]