The first Mimarachnidae (Hemiptera: Fulgoromorpha) from Lower Cretaceous lithographic limestones of the Sierra del Montsec in Spain

Mimamontsecia cretacea gen. nov. et sp. nov. and Chalicoridulum montsecensis gen. nov. et sp. nov. from the Lower Cretaceous deposits of Sierra del Montsec, north-eastern Spain are described. It is the first record of the family Mimarachnidae in Europe. Palaeobiogeographical and palaeoecological implications of the findings are discussed.

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