Wallich, G.C. (1860). On the siliceous organisms found in the digestive cavities of the Salpae, and their relation to the Flint nodules of the Chalk Formation. Transactions of the Microscopical Society, New Series, London, 8: 36-55, pl. 2.
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Wallich, G.C.
1860
On the siliceous organisms found in the digestive cavities of the Salpae, and their relation to the Flint nodules of the Chalk Formation.
Transactions of the Microscopical Society, New Series, London