@article{10272/10336, year = {1997}, url = {http://hdl.handle.net/10272/10336}, abstract = {The presence of a condensation bed, consisting of a dense lumachellic marly limestone with a nearly monospecific bryozoan (Teichopora clayata Gregory) is indicative of a change in tendency from transgressive to regressive within the transgressive interval constituting the Murillo Formation in the Southcentral Pyrenees}, publisher = {Sociedad Geológica de España}, title = {Un nivel de concentracjon de briozoos en el Cuisiense inferior ; de Esdolomada (Formacion Murillo, Valle del Isabena)}, title = {A bryozoan concentration bed at Esdolomada lower Cuisian (Murillo Formation, Isabena)}, author = {Reguant, Salvador}, }