«AMMONITES OF THE SUBFAMILY ZAPALIINAE FROM THE LOWER TITHONIAN OF ESTANCIA MARÍA JUANA, VACA MUERTA FORMATION (PORTADA COVUNCO MEMBER), NEUQUÉN BASIN, ARGENTINA». Rivista italiana di Paleontologia e Stratigrafia, vol. 125, fasc. 2, aprile 2019, https://doi.org/10.13130/2039-4942/11788.