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Diodora Ruppellii
''Diodora rueppellii'', common name the Rüppell's keyhole limpet, is a species of sea snail, a marine gastropod mollusc in the family Fissurellidae, the keyhole limpets. Description ''Diodora ruppellii'' has a shell with a whitish exterior marked with a radial pattern of dark blotches and a white interior surface marked with a faint pattern similar to the exterior. The shell is asteeply conical, elongated oval with a hole at the apex, which is roughly a third of the length of the shell from its anterior end. There are 20 to 25 radiating ribs on the exterior surface of the shell with some smaller ribs between them; the growth ridges are not as developed as the ribs and form knobs at where they intersect. The edges of the apical hole have conspicuous crenulations where they meet the ribs, the notches between the crenulations continue a short distance towards the inside of the shell. The shell can be up to 20 mm long, although 15mm is the most common length, and 10 m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Brettingham Sowerby I
George Brettingham Sowerby I (12 August 1788 – 26 July 1854) was a British naturalist, illustrator and conchologist. Life He was the second son of James Sowerby. George was educated at home under private tutors, and afterwards assisted his father in the production of illustrated works on natural history. On the latter's death in 1822, he and his brother James De Carle Sowerby continued their father's work on fossil shells, publishing the latter parts of the ''Mineral Conchology of Great Britain''. He published about 50 papers on molluscs and started several comprehensive, illustrated books on the subject, the most important the ''Thesaurus Conchyliorum'', a work that was continued by his son, George Brettingham Sowerby II and his grandson George Brettingham Sowerby III. One of his first works was the cataloguing of the collection of the Earl of Tankerville. He also dealt in shells and natural history objects, his place of business being first in King Street, Covent Garden, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
