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| Benthonic foraminiferal assemblages and microfacies analysis of Paleocene–Eocene carbonate rocks in the Kastamonu region, Northern Turkey N Özgen-Erdem, N İnan, M Akyazı, C Tunoğlu Journal of Asian Earth Sciences 25 (3), 403-417, 2005 | 42 | 2005 |
| Biostratigraphic interpretation and systematics of Alveolina assemblages from the Ilerdian–Cuisian limestones of Southern Eskişehir, Central Turkey N Özgen-Erdem, M Akyazı, A Karabaşoğlu Journal of Asian Earth Sciences 29 (5-6), 911-927, 2007 | 34 | 2007 |
| Mid-Eocene (Bartonian) larger benthic foraminifera from southeastern Turkey and northeastern Egypt: new evidence for the palaeobiogeography of the Tethyan carbonate platforms ES Sallam, NÖ Erdem, D Sinanoğlu, DA Ruban Journal of African Earth Sciences 141, 70-85, 2018 | 27 | 2018 |
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| Paleontology and Stratigraphy of upper Cretaceous sediments in the Ilgaz region (Cankiri, Turkey) M Akyazi, N Ozgen-Erdem Arabian Journal for Science and Engineering 28 (1; PART A), 25-34, 2003 | 22 | 2003 |
| A Different Asexual Reproduction in Simplorbites papyraceus (Boubee) Samples of Karaçam Highland (Niksar-Türkiye): A1x Individuals N İnan, E Meriç, N Özgen Revue de Paléobiologie 15 (2), 449-459, 1996 | 15 | 1996 |
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| Depositional stages of the Eğribucak inner basin (terrestrial to marine evaporite and carbonate) from the Sivas Basin (Central Anatolia, Turkey) Ö KANGAL, N ERDEM, B VAROL Turkish Journal of Earth Sciences, 25, 2017 | 10 | 2017 |
| Nummofallotia kastamonica n.sp., (Foraminifera) a new species from the Upper Maastrichtian of Devrekani (Kastamonu-Turkey) N Özgen Erdem Revue de Paléobiologie 20 (1), 31-37, 2001 | 10 | 2001 |
| Nurdanella boluensis n.gen.n.sp., a Miliolid (Foraminifera) from the Lutetian of the Bolu Area (Northwestern Turkey) N Özgen Revue de Paléobiologie 19 (1), 79-85, 2000 | 10 | 2000 |
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| Microfacies and depositional environment of the ilerdian carbonates in the North-Western Tosya (SE Kastamonu) region, Northern Turkey N Özgen-Erdem, C Koç-Tasgin Journal of the Geological Society of India 93, 704-712, 2019 | 7 | 2019 |
| Yeni Bir Jeoturizm Sahası: Emirhan Kayalıkları (Sivas) G Akbulut Özpay, N Erdem Özgen, E Ayaz, F Ocak SOBİDER (Sosyal Bilimler Dergisi), 15-29, 2017 | 7 | 2017 |
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| Palaeontological evidence and sedimentary facies in a lower Miocene (Aquitanian) succession from the Bingöl minibasin (Sivas Basin), Central Anatolia MS Akkiraz, Ö KANGAL, NÖ ERDEM, Y BÜYÜKMERİÇ, C DOĞRUÖZ Turkish Journal of Earth Sciences 27 (5), 329-348, 2018 | 6 | 2018 |
| New Data on the Dasycladales from the Lower Eocene of Seyitgazi Region, Eskişehir, Central Turkey R Radoicic, N ERDEM Turkish Journal of Earth Sciences 20 (2), 213-242, 2011 | 6 | 2011 |
| Biostratigraphy of Thanetian-ilerdian Benthic Foraminifera in the Akçataş-Cebeci (NW Tosya-SE Kastamonu) region N ÖZGEN Bulletin of the Mineral Research and Exploration 137 (137), 49-59, 2008 | 6 | 2008 |
