Media type: E-Article Title: Pseudoplanktonic and benthic invertebrates in the Middle Jurassic Opalinum Clay, northern Switzerland Contributor: Etter, Walter Published: Elsevier BV, 1996 Published in: Palaeogeography, Palaeoclimatology, Palaeoecology, 126 (1996) 3-4, Seite 325-341 Language: English DOI: 10.1016/s0031-0182(96)00036-3 ISSN: 0031-0182 Origination: Footnote: