@article{journal,
author = {Mayoral, E.},
title = {Bivalvia Clavagellacea (Stirpulina pliocenica nov. sp.) del Ne{\'o}geno superior de la Cuenca del Bajo Guadalquivir},
year = {1990},
volume = {1},
pages = {117--134},
journal = {Treballs del Museu de Geologia de Barcelona},
keywords = {Clavagellidae, Lower Pliocene, Guadaiquivir Basin, Spain, Paleoecology}
}