The first record record of the comatulid crinoid Sievertsella Radwańska, 2003 and its implications for the Miocene of the Bragança-Viseu Basin, Brazil

The first record of a comatulid crinoid Sievertsella cf. polonica (Radwanska, 1987), from the Pirabas Formation (Miocene of NE Brazil) is documented. The record points out to a shallow coastal tropical or subtropical paleoecosystem with rocks or reefs in the Miocene from Braganca-Viseu Basin on Brazilian equatorial margin.