Publicaciones más relevantes:

1. Molina, E., Arenillas, I. & Arz, J.A. (1998). Mass extinction in planktic foraminifera at the Cretaceous/Tertiary boundary in subtropical and temperate latitudes. Bulletin de la Société géologique de France, 169(3): 351-363.

2. Arenillas, I. (1998). Biostratigrafía con foraminíferos planctónicos del Paleoceno y Eoceno inferior de Gubbio (Italia): calibración biomagnetoestratigráfica. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, 5: 299-320

3. Arenillas, I., Molina, E. & Schmitz, B. (1999). Planktic foraminiferal turnover and ¥13C isotopic changes across the Paleocene/Eocene boundary at Possagno (Italy). International Journal of Earth Sciences (Geologische Rundschau). 88(1). 352-364

4. Molina, E., Arenillas, I. & Pardo, A. (1999). High resolution planktic foraminiferal biostratigraphy and correlation across the Paleocene/Eocene boundary in the Tethys. Bulletin de la Société géologique de France. 170(4): 521-531.

5. Arenillas, I., Arz, J.A. & Molina, E. (2000). Spanish and Tunisian Cretaceous-Tertiary boundary sections: a planktic foraminiferal biostratigraphic comparison and evolutive events. GFF, 122(1): 11-12.

6. Molina, E., Angori, E., Arenillas, I., Monechi, S. & Schmitz, B. (2000). Integrated Stratigraphy across the Paleocene/Eocene boundary at Campo (Spain). GFF, 122(1): 106-107

7. Steurbaut, E., Dupuis, C., Arenillas, I., Molina, E. & Matmati, M.F. (2000). The Kalaat-Senan section in the Central Tunisia: a potencial reference-section for the Danian/Selandian boundary. GFF, 122(1): 158-160

8. Arenillas, I., Arz, J.A., Molina, E. & Dupuis, C. (2000). An independent test of planktic foraminiferal turnover across the Cretaceous/Paleogene (K/P) boundary at El Kef, Tunisia: Catastrophic mass extinction and possible survivorship. Micropaleontology, 46(1): 31-49.

9. Arz, J.A., Arenillas, I., Molina, E. & Sepúlveda, R. (2000). La estabilidad faunística de foraminíferos planctónicos en el Maastrichtiense superior y su extinción en masa catastrófica en el límite K/T de Caravaca, España. Revista Geológica de Chile. 27(1). 27-47

10. Arenillas, I., Arz, J.A., Molina, E. & Dupuis, C. (2000). The Cretaceous/Paleogene (K/P) boundary at Aïn Settara, Tunisia: sudden catastrophic mass extinction in planktic foraminifera. Journal of Foraminiferal Research, 30(3): 202-218. EE.UU.

11. Arenillas, I. & Arz, J.A. (2000). Parvularugoglobigerina eugubina type-sample at Ceselli (Italy): planktic foraminiferal assemblage and lowermost Danian biostratigraphic implications. Rivista Italiana di Paleontologia e Stratigrafia, 106(3): 379-390.

12. Arz, J.A., Arenillas, I., Soria, A.R., Alegret, L., Grajales-Nishimura, J.M.., Liesa, C., Mélendez, A., Molina, E. & Rosales, M.C. (2001). Micropaleontology and Sedimentology across the Cretaceous/Tertiary boundary at La Ceiba (Mexico): impact-generated sediment gravity flows. Journal of South American Earth Sciences, 14(5): 505-519.

13. Soria, A.R., Liesa, C., Mata, P., Arz, J.A., Alegret, L., Arenillas, I. & Meléndez, A. (2001). Slumping and a sandbar deposit at the K/T boundary in the El Tecolote sector (northeastern Mexico): An impact-induced sediment gravity flow. Geology, 29(3): 231-234

14. Arenillas, I., Alegret, L., Arz, J.A., Meléndez, A., Molina, E., Liesa, C., Soria, A.R., Cedillo-Pardo, E., Grajales-Nishimura, J.M. & Rosales, M.C. (2002). Cretaceous/Tertiary boundary planktic foraminiferal mass extinction and biochronology at La Ceiba, Bochil, México, and El Kef, Tunisia. Geological Society of America Special Paper. 356: 253-264

15. Alegret, L., Arenillas, I., Arz, J.A. & Molina, E. (2002). Eventoestratigrafía del límite Cretácico/Terciario en Aïn Settara (Tunicia): disminución de la productividad y oxigenación oceánicas. Revista Mexicana de Ciencias Geológicas, 19(2): 121-136

16. Alegret, L., Arenillas, I., Arz, J.A., & Molina, E. (2002). Environmental changes triggered by the K/T impact event at Coxquihui (Mexico) based on foraminifera. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, 5: 295- 309

17. Soria, A.R., Liesa, C., Mata, P., Arz, J.A., Alegret, L., Arenillas, I. & Meléndez, A. (2002). Reply to "Comment to Slumping and a sandbar deposit at the K/T boundary in the El Tecolote sector (northeastern Mexico): An impact-induced sediment gravity flow by Keller, G., Stinnesbeck, W. y Adatte, T.". Geology, 30(4): 382-383

18. Arenillas, I., Arz, J.A. & Molina, E. (2002). Quantifying the evolutionary turnover across the K/T boundary catastrophic planktic foraminiferal extinction event at El Kef, Tunisia. Geologiska Föreningens i Stockholm Förhandlingar - GFF, 124: 121-126

19. Alegret, L., Arenillas, I., Arz, J.A., Liesa, C., Meléndez, A., Molina, E., Soria, A.R. & Thomas, E. (2002). The Cretaceous/Tertiary boundary: sedimentology and micropaleontology at El Mulato section, NE Mexico.Terra Nova, 14(5): 330-336.

20. Arenillas, I., Arz, J.A. & Molina, E. (2004). A new high-resolution planktic foraminiferal zonation and subzonation for the lower Danian. Lethaia, 37: 79-95.

21. Alegret, L., Arenillas, I., Arz, J.A. & Molina, E. (2004). Foraminiferal event-stratigraphy across the Cretaceous/Tertiary boundary. Neues Jahrbuch für Geologie und Paläontologie, Abhundlungen, 234 (1-3): 25-50.

22. Arz, J.A., Alegret, L. & Arenillas, I. (2004). Foraminiferal biostratigraphy and paleoenvironmental reconstruction at Yaxcopoil-1 drill hole (Chicxulub crater, Yucatan Peninsula). Meteoritics & Planetary Science, 39(7): 1099-1111.

23. Alegret, L., Arenillas, I., Arz, J.A., Díaz, C., Grajales-Nishimura, J.M., Meléndez, A., Molina, E., Rojas, R. & Soria, A.R. (2005). Cretaceous/Paleogene (K/Pg) boundary clastic complex at Loma Capiro, Central Cuba: evidence for a K/Pg impact origin. Geology, 33(9): 721-724.

24. Alegret, L., Ortiz, S., Arenillas, I. & Molina, E. (2005).
Paleoenvironmental turnover across the Paleocene/Eocene boundary at the Stratotype section in Dababiya (Egypt) based on benthic foraminifera
Terra Nova, 17(6): 526-536.

25. Arenillas, I., Arz, J.A., Grajales-Nishimura, J.M., Murillo-Muñetón, G., Alvarez, W., Camargo-Zanoguera, A., Molina, E. & Rosales-Domínguez, C. (2006). Chicxulub impact event is Cretaceous/Paleogene boundary in age: new micropaleontological evidence. Earth and Planetary Science Letters. 249: 241-257.

26. Molina, E., Alegret, L., Arenillas, I., Arz, J.A., Gallala, N., Hardenbol, J., von Salis, K., Steurbaut, E., Vandenberghe, N. & Zaghbib-Turki, D. (2006). The Global Stratotype Section and Point of the Danian Stage (Paleocene, Paleogene, "Tertiary", Cenozoic) at El Kef, Tunisia: original definition and revision. Episodes, 29(4): 263-278.

27. Arenillas, I., Molina, E., Ortiz, S. & Schmitz, B. (2007). Foraminiferal and ¥13C isotopic event-stratigraphy across the Danian-Selandian transition at Zumaya (northern Spain): chronostratigraphic implications.Terra Nova,19(6): in press.