Bibliographic Detail
Wallich, G.C., 1860
Reference:
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 of London, New Series 8: 36-55, pl. II.
Notes:
Some annotations on PDF.