| Western Palaearctic palaeoenvironmental conditions during the Early and early Middle Pleistocene inferred from large mammal communities, and implications for hominin dispersal … RD Kahlke, N García, DS Kostopoulos, F Lacombat, AM Lister, ... Quaternary Science Reviews 30 (11-12), 1368-1395, 2011 | 332 | 2011 |
| Current status and distribution of golden jackals Canis aureus in Europe J Arnold, A Humer, M Heltai, D Murariu, N Spassov, K Hacklaender Mammal Review 42 (1), 1-11, 2012 | 246 | 2012 |
| The palaeogenetics of cat dispersal in the ancient world C Ottoni, W Van Neer, B De Cupere, J Daligault, S Guimaraes, J Peters, ... Nature Ecology & Evolution 1 (7), 1-7, 2017 | 205 | 2017 |
| A new Miocene ape and locomotion in the ancestor of great apes and humans M Böhme, N Spassov, J Fuss, A Tröscher, AS Deane, J Prieto, U Kirscher, ... Nature 575 (7783), 489-493, 2019 | 107 | 2019 |
| The Plio-Pleistocene vertebrate fauna in South-Eastern Europe and the megafaunal migratory waves from the east to Europe N Spassov Revue de Paléobiologie 22 (1), 197-229, 2003 | 107 | 2003 |
| Messinian age and savannah environment of the possible hominin Graecopithecus from Europe M Böhme, N Spassov, M Ebner, D Geraads, L Hristova, U Kirscher, ... PloS one 12 (5), e0177347, 2017 | 91 | 2017 |
| Tragoportax PILGRIM, 1937 and Miotragocerus STROMER, 1928 (Mammalia, Bovidae) from the Turolian of Hadjidimovo, Bulgaria, and a revision of the late Miocene Mediterranean … N Spassov, D Geraads Geodiversitas 26 (2), 339-370, 2004 | 82 | 2004 |
| Canis aureus Linnaeus, 1758 A Demeter, N Spassov Handbuch der Säugetiere Europas 5, 107-138, 1993 | 82 | 1993 |
| Potential hominin affinities of Graecopithecus from the Late Miocene of Europe J Fuss, N Spassov, DR Begun, M Böhme PloS one 12 (5), e0177127, 2017 | 77 | 2017 |
| Bovid paleoecology and paleoenvironments from the Late Miocene of Bulgaria: evidence from dental microwear and stable isotopes G Merceron, A Zazzo, N Spassov, D Geraads, D Kovachev Palaeogeography, Palaeoclimatology, Palaeoecology 241 (3-4), 637-654, 2006 | 73 | 2006 |
| Late Neogene stratigraphy, biochronology, faunal diversity and environments of South-West Bulgaria(Struma River Valley) N Spassov, T Tzankov, D Geraads Geodiversitas 28 (3), 477-498, 2006 | 71 | 2006 |
| Dispersal history of the golden jackal (Canis aureus moreoticus Geoffroy, 1835) in Europe and possible causes of its recent population explosion N Spassov, I Acosta-Pankov Biodiversity data journal 7, 2019 | 70 | 2019 |
| Folivory or fruit/seed predation for Mesopithecus, an earliest colobine from the late Miocene of Eurasia? G Merceron, J Scott, RS Scott, D Geraads, N Spassov, PS Ungar Journal of human evolution 57 (6), 732-738, 2009 | 67 | 2009 |
| The position of jackals in the Canis genus and life-history of the golden jackal (Canis aureus L.) in Bulgaria and on the Balkans N Spassov Historia naturalis bulgarica 1 (December), 44-56, 1989 | 64 | 1989 |
| A hominid tooth from Bulgaria: the last pre-human hominid of continental Europe N Spassov, D Geraads, L Hristova, GN Markov, G Merceron, T Tzankov, ... Journal of human evolution 62 (1), 138-145, 2012 | 60 | 2012 |
| The Turolian Megafauna of West Bulgaria and the character of the Late Miocene" Pikermian biome" N Spassov BOLLETTINO-SOCIETA PALEONTOLOGICA ITALIANA 41 (1), 69-82, 2002 | 60 | 2002 |
| New Chalicotheriidae (Perissodactyla, Mammalia) from the Late Miocene of Bulgaria D Geraads, N Spassov, D Kovachev Journal of Vertebrate Paleontology 21 (3), 596-606, 2001 | 55 | 2001 |
| Rhinocerotidae (Mammalia) from the late Miocene of Bulgaria D Geraads, N Spassov Palaeontographica: Beiträge zur Naturgeschichte der Vorzeit. Abt. A …, 2009 | 53 | 2009 |
| Contribution to the study of Microstonyx: evidence from Bulgaria and the SE European populations DS Kostopoulos, N Spassov, D Kovachev Geodiversitas 23 (3), 411-437, 2001 | 49 | 2001 |
| Study of Mesopithecus (Primates, Cercopithecidae) from the late Miocene of Bulgaria GD Koufos, N Spassov, D Kovatchev PALAEONTOGRAPHICA ABTEILUNG A-STUTTGART- 269 (1/3), 39-91, 2003 | 47 | 2003 |
