1. Hydrocarbon seeps from the unconventional petroleum system of the South Portuguese Zone, Portugal

   • Gabriel A. Barberes
   • André L. D. Spigolon
   • Maria Teresa Barata

   Research Paper 10 December 2019 Pages: 1 - 19

   

2. Relationship between substrate, physico-chemical parameters and foraminiferal tests in the Doñana National Park, a Biosphere Reserve in SW Spain

   • Liliana Guerra
   • Cristina Veiga-Pires
   • Verónica Romero

   Research Paper 04 December 2019 Pages: 21 - 38

   

3. Lower Toarcian ammonite and foraminifera assemblages in the San Miguel de Aguayo Section (Basque-Cantabrian Basin, Spain)

   • Roselis W. Salazar-Ramírez
   • Concha Herrero
   • Antonio Goy

   Research Paper 10 December 2019 Pages: 39 - 60

   

4. Chemical and mineral comparison of fossil insect cuticles from Crato Konservat Lagerstätte, Lower Cretaceous of Brazil

   • Francisco Irineudo Bezerra
   • João H. da Silva
   • Márcio Mendes

   Research Paper 24 January 2020 Pages: 61 - 76

   

5. Lower Jurassic benthic foraminiferal assemblages from shallow-marine platform carbonates of Mallorca (Spain): stratigraphic implications

   • Ana Sevillano
   • Michel Septfontaine
   • José María López-García

   Research Paper 09 December 2019 Pages: 77 - 94

   

6. Aeromagnetic data analysis for the identification of volcano-sedimentary complex: case of Permo-Triassic of the Traras Mountains, NW Algeria

   • Kamar Eddine Bensefia
   • Boualem Bouyahiaoui
   • Matías Reolid

   Research Paper 30 January 2020 Pages: 95 - 115