Bandel, K. & T. Kowalke. (1997). Cretaceous Laxispira and a discussion on the monophyly of vermetids and turritellids (Caenogastropoda, Mollusca). Geologica et Palaeontologica. 31: 257-274, pls 1-3.
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Bandel, K. & T. Kowalke
1997
Cretaceous <i>Laxispira</i> and a discussion on the monophyly of vermetids and turritellids (Caenogastropoda, Mollusca).