1.- A POST-GLACIAL BRYOZOAN FAUNA FROM THE UPPER ORDOVICIAN (HIRNANTIAN) OF THE ARGENTINE PRECORDILLERA INSTITUTO GEOLOGICO DE ESPAÑA; MADRID; ESP, 2011 ORDOVICIAN OF THE WORLS Ver registro 2.- FAUNAL SHIFTS AND CLIMATIC CHANGES IN THE UPPER ORDOVICIAN OF SOUTH AMERICA (W GONDWANA) INSTITUTO GEOLOGICO DE ESPAÑA; MADRID; ESP, 2011 ORDOVICIAN OF THE WORLS Ver registro
