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The jaw is opposite to the radula and reinforces part of the foregut. [2] The more purely carnivorous the diet, the more the jaw is reduced. [2] There are often pieces of food in the gut corresponding to the shape of the jaw. [2] The jaw structure can be ribbed or smooth:
The central tooth is saddle-shaped, with long basal limbs, each bearing a cusp-like spur upon its face. Their eyes are based at the base of their filiform tentacles. The foot is short and thick. Fertilization is internal. The female snail lays her eggs enclosed in a jelly-like matrix that she sometimes broods with her foot.
Polymita picta, also known as the Cuban painted snail, or the oriente tree snail, is a species of large, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helminthoglyptidae. [2] It is the type species of the genus Polymita, and is endemic to Eastern Cuba.
Macrostormbus costatus dorsal view of adult shell. Colored drawing of a Aliger costatus from Kiener, 1843. Macrostrombus costatus, formerly known as Strombus costatus and Lobatus costatus, or commonly known as the milk conch, is a species of large sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs. [2]
Each female bears eggs (up to 30 and at all stages of development) with a size of 3 to 7 mm in diameter and up to the full development of the embryo. At the time of their expulsion, the young are about 7 mm and their shell is already marked with the characteristic stripes of the river snails. After producing all its young, the female dies.
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Fans continue to be amazed by Demi Moore's ageless appearance, with the 61-year-old actress looking better than ever in a series of photos posted to Instagram on August 27.. The images, snapped by ...