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Citation: G. Geyer et M. Mergl, Mediterranean representatives of the obolellid Trematobolus MATTHEW (Brachiopoda) and a review ofthe genus, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 69(1/2), 1995, pp. 181-211