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Botelloides chrysalidus facts for kids

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Botelloides chrysalidus
Botelloides chrysalidus 001.jpg
Original drawing of a shell of Botelloides chrysalidus
Scientific classification

Rissoa (Onoba) chrysalida Chapman & Gabriel, 1914

Botelloides chrysalidus is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

  • Botelloides chrysalidus chrysalidus (Chapman & Gabriel, 1914) (synonym: Rissoa (Onoba) chrysalidus Chapman & Gabriel, 1914)
  • Botelloides chrysalidus kendricki Ponder, 1985


The height of the shell attains 3.1 mm, its diameter 1.5 mm. The stoutly built and polished shell has a pupiform shape. The four whorls are depressed convex. The spiral and helicoid apex consists of 2½ turns. The shallow sutures are excavated. The circular aperture has a thick lip. There are faint colour bands parallel with and near to the sutures, as seen in some specimens. The surface shows, under a high magnification, fine growth lines.


This marine species is endemic to Australia and occurs off South Australia and Western Australia .

  • Chapman, F. & Gabriel, C.J. 1914. Descriptions of New and Rare fossils obtained by Deep Boring in the Mallee. ii. Mollusca. Proceedings of the Royal Society of Victoria XXVI: 301-330, 5 pl
  • Ponder, W.F. 1985. A revision of the genus Botelloides (Mollusca: Gastropoda: Trochacea). Department of Mines and Energy, South Australia, Special Publication 5: 301-327
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