Cretaceous Snails Conceal Themselves in Monuments in Madrid (IMAGE)
Caption
In the Fountain of Apollo stone (shown in the image) and the four fountains facing the Museo del Prado, the Trochactaeon lamarcki fossils, a species of gastropod which lived around 85 million years ago, are easily seen.
Credit
D.M. Freire-Lista /IGEO
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