Vervoort, W. (1964). Note on the distribution of Garveia franciscana (Torrey, and Cordylophora caspia (Pallas, 1771) in the Netherlands. Zool. Meded., Leiden. 39: 125-146.
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Vervoort, W.
1964
Note on the distribution of Garveia franciscana (Torrey, and Cordylophora caspia (Pallas, 1771) in the Netherlands