Abstract
The most complete angiospermous palynological assemblage for the middle–earliest late Albian of north-eastern Spain is reported from the Middle Member of the Escucha Formation at the San Just site. Nine palynological samples yielded mainly monosulcates (Clavatipollenites, Dichastopollenites, Hammenia, Jusinghipollis, Liliacidites, Pennipollis including proposed new species P. escuchensis, Retimonocolpites, and Transitoripollis) and a few tricolpates (Phimopollenites, Rousea, Striatopollis, and Tricolpites). These assemblages, mainly composed of angiosperm pollen grains, suggest that significantly diversified flowering plants flourished both in brackish and freshwater swamp plain environments represented by the Escucha Formation in Albian times, although they were less diverse than angiosperms in the Late Cretaceous. The palynological assemblages share greatest similarities with those of other southern Laurasian localities, although there are some taxa more typical of palynofloras of northern Gondwana.
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