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Snail Shell Cave is a limestone cave in Rockvale, Tennessee. Snail Shell Cave lies on an 88-acre (36 ha) preserve near Murfreesboro, Tennessee . Snail Shell cave is owned by the Southeastern Cave Conservancy , which has called it "one of the most biologically significant cave sites in the southeastern United States ."
Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the superfamily Pleurotomarioidea of the subclass Vetigastropoda. [1] This family is a very ancient lineage; there were numerous species in the geological past. The genus includes several hundred fossil forms, mostly Paleozoic.
The foot is also unusual, being armored with iron-mineralised sclerites. The snail's oesophageal gland houses symbiotic gammaproteobacteria from which the snail appears to obtain its nourishment. This species is considered to be one of the most peculiar deep-sea hydrothermal-vent gastropods, and it is the only known extant animal that ...
Naticidae, common name moon snails or necklace shells, is a family of medium to large-sized predatory sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of the species in this family are mostly globular in shape. Naticidae is the only family in the superfamily Naticoidea.
Wentletrap shells have a roundish or oval aperture, but its inner lip is often reduced to strip of callus. The round and horny operculum is paucispiral and fits the aperture tightly. Most of the species in the family are small to minute, although some are larger, and overall the adult shell length in the family varies between 0.6 and 11.7 cm. [ 4 ]
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. [1] The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
A rare snail species that had likely become extinct in the wild was recently reintroduced to the Hawaiian landscape. Rare snails back in Hawaii forest after nearing extinction, officials say Skip ...
The Terebridae, commonly referred to as auger shells or auger snails, is a family of predatory marine gastropods in the superfamily Conoidea. [3] They have extremely high-spired shells with numerous whorls; their common name refers to the resemblance of their shells to rock-drill bits. More than 400 species are recently known worldwide. [2] [4]