Janssen, A. W. (1999). Notes on the systematics, morphology and biostratigraphy of fossil holoplanktonic Mollusca, 3. Revision of M.-L. Tembrock's (1989) pteropod taxa. Basteria. 63 (1/3): 1-10.
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Janssen, A. W.
1999
Notes on the systematics, morphology and biostratigraphy of fossil holoplanktonic Mollusca, 3. Revision of M.-L. Tembrock's (1989) pteropod taxa