First Systematic Study using the Variability of the Residual Colour Patterns: The Case of the Paleogene Seraphsidae (Mollusca, Gastropoda, Stromboidea) Author Caze, Bruno Author Merle, Didier Author Pacaud, Jean-Michel Author Saint Martin, Jean-Paul text Geodiversitas 2010 2010-09-30 32 3 417 477 http://www.bioone.org/doi/abs/10.5252/g2010n3a4 journal article 10.5252/g2010n3a4 1638-9395 5381152 Genus Paraseraphs Jung, 1974 TYPE SPECIES . — Paraseraphs tetanus Jung, 1974 by original designation. Ypresian (Cuisian), Paris Basin.