Janssen, A. W. (2020). Notes on the systematics, morphology and biostratigraphy of holoplanktic Mollusca, 27. Comments on a paper discussing Pteropoda (Gastropoda, Heterobranchia) systematics, recently (2019) published in Bollettino Malacologico. Basteria. 84 (1-3): 65-75.
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Janssen, A. W.
2020
Notes on the systematics, morphology and biostratigraphy of holoplanktic Mollusca, 27. Comments on a paper discussing Pteropoda (Gastropoda, Heterobranchia) systematics, recently (2019) published in Bollettino Malacologico