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More model informationThis is a fossil shell of the marine snail Amalda mucronata from the cliffs at Castlecliff Beach (Wanganui series, Castlecliffian, approximately 1.63 – 0.34 Ma). Amalda is a genus of olive shells (Olividae) that is particularly diverse in the Southern Hemisphere with a rich fossil record in New Zealand. A. mucronata is one of the largest species of Amalda currently extant in New Zealand. Individuals can be found in benthic sediments, buried shallowly beneath the sediment so that their long siphons protrude above the surface. When it is not retracted, foot of A. mucronata almost entirely engulfs its shell (description by Felix Vaux, http://www.massey.ac.nz/~strewick/Felix.htm).
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