Janssen, A. W. (2008). Heliconoides linneensis sp. nov., a new holoplanktonic gastropod (Mollusca, Thecosomata) from the Late Oligocene of the Aquitaine Basin (France, Landes). Zoologische Mededelingen. 82(9): 69-72. Leiden.
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Janssen, A. W.
2008
<i>Heliconoides linneensis</i> sp. nov., a new holoplanktonic gastropod (Mollusca, Thecosomata) from the Late Oligocene of the Aquitaine Basin (France, Landes)