| The most westward European occurrence point for Dreissena bugensis (Andrusov 1897) OP Popa, LO Popa Malacologica Bohemoslovaca 5, 3-5, 2006 | 44 | 2006 |
| A morphometric and genetic comparison of Sinanodonta woodiana (Lea, 1834) populations: does shape really matter? I Guarneri, OP Popa, L Gola, L Kamburska, R Lauceri, M Lopes-Lima, ... Aquatic Invasions 9 (2), 2014 | 34 | 2014 |
| The first record of Perccottus glenii Dybowski, 1877 (Pisces: Odontobutidae) and Ameiurus melas Rafinesque, 1820 (Pisces: Ictaluridae) from the Romanian sector of the Danube LO Popa, OP Popa, EI Pisica, A Iftime, S Mataca, F Diaconu, D Murariu Travaux du Museum National d’Histoire Naturelle “Grigore Antipa 49, 323-329, 2006 | 34 | 2006 |
| New records of Sinanodonta woodiana (Lea, 1834) (Mol lusca: Bivalvia: Unionidae) from Eastern Romania OP Popa, BS Kelemen, D Murariu, LO Popa Aquatic Invasions 2 (3), 265-267, 2007 | 33 | 2007 |
| Population-specific responses to an invasive species M Reichard, K Douda, M Przybyłski, OP Popa, E Karbanová, K Matasová, ... Proceedings of the Royal Society B: Biological Sciences 282 (1812), 20151063, 2015 | 31 | 2015 |
| Comparison of four DNA extraction methods from invasive freshwater bivalve species (Mollusca: Bivalvia) in Romanian fauna OP Popa, D Murariu, LO Popa Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa 6, 527-36, 2007 | 28 | 2007 |
| Molecular confirmation on the presence of Anadara kagoshimensis (Tokunaga, 1906)(Mollusca: Bivalvia: Arcidae) in the Black Sea AM Krapal, OP Popa, AF Levarda, EI Iorgu, M Costache, F Crocetta, ... Travaux du Museum National d’Histoire Naturelle “Grigore Antipa 57 (1), 9-12, 2014 | 26 | 2014 |
| Modelling the invasion history of Sinanodonta woodiana in Europe: Tracking the routes of a sedentary aquatic invader with mobile parasitic larvae A Konečný, OP Popa, V Bartáková, K Douda, J Bryja, C Smith, LO Popa, ... Evolutionary Applications 11 (10), 1975-1989, 2018 | 22 | 2018 |
| Mitochondrial 16s and 12srRNA sequence analysis in four salmonid species from Romania A Dudu, SE Georgescu, O Popa, A Dinischiotu, M Costache Acta Zoologica Academiae Scientiarum Hungaricae 57 (3), 233-246, 2011 | 22 | 2011 |
| Infestation of Lernaea cyprinacea (Copepoda: Lernaeidae) in two invasive fish species in Romania, Lepomis gibbosus and Pseudorasbora parva SB Mala-Maria, PO Paula, PL Ovidiu Knowledge and Management of Aquatic Ecosystems 414 (12), 2014 | 15 | 2014 |
| Cross-amplification of microsatellite loci in the endangered stone-crayfish Austropotamobius torrentium (Crustacea: Decapoda) EI Iorgu, OP Popa, AM Petrescu, LO Popa Knowledge and Management of Aquatic Ecosystems, 08, 2011 | 15 | 2011 |
| Contributions to the knowledge of the mollusks from the Romanian Sector of the Danube between Calafat and Olteniţa OP POPA Travaux du Muséum National d’Histoire Naturelle „Grigore Antipa 48, 7-19, 2005 | 15 | 2005 |
| Contributions to the knowledge of the present Limnocardiidae fauna (Mollusca, Bivalvia) from Romania OP Popa, A Sarkany-Kiss, BS Kelemen, EI Iorgu, D Murariu, LO Popa Travaux du Muséum National d’Histoire Naturelle ‘‘Grigore Antipa 52, 7-15, 2009 | 14 | 2009 |
| A new feather mite species of the genus Trouessartia Canestrini, 1899 (Acarina, Trouessartiidae)–an integrative description (morphology and DNA barcoding data) IC Constantinescu, OP Popa, LO Popa, I Cobzaru, C Adam ZooKeys, 19, 2018 | 13 | 2018 |
| Sinanodonta woodiana (Mollusca: Bivalvia: Unionidae): Isolation and Characterization of the First Microsatellite Markers OP Popa, LO Popa, AM Krapal, D Murariu, EI Iorgu, M Costache International Journal of Molecular Sciences 12 (8), 5255-5260, 2011 | 13 | 2011 |
| Sinanodonta woodiana (lea, 1834), Corbicula fluminea (OF Müller, 1774), Dreissena bugensis (Andrusov, 1897)(mollusca: bivalvia): alien invasive species in romanian fauna OP Popa, LO Popa Travaux du Muséum National d'Histoire Naturelle" Grigore Antipa 49, 7-12, 2006 | 13 | 2006 |
| Characterization of nine microsatellite markers and development of multiplex PCRs for the Chinese huge mussel Anodonta (Sinanodonta) woodiana Lea, 1834 (Mollusca, Bivalvia) OP Popa, V Bartáková, J Bryja, M Reichard, LO Popa Biochem Syst Ecol 60 (23), 4e237, 2015 | 12 | 2015 |
| Xenodiversity of decapod species (Crustaceea: Decapoda: Reptantia) from the Romanian waters AM Petrescu, AM Krapal, O Popa, E Iorgu, L Popa Travaux du Muséum National d’Histoire Naturelle ‘Grigore Antipa 53, 91-101, 2010 | 11 | 2010 |
| Decline of unique Pontocaspian biodiversity in the Black Sea Basin: A review A Gogaladze, MO Son, M Lattuada, VV Anistratenko, VL Syomin, ... Ecology and evolution 11 (19), 12923-12947, 2021 | 10 | 2021 |
| Current distribution of Dreissena species in the inland waters of Bulgaria T Trichkova, D Kozuharov, Z Hubenov, S Cheshmedjiev, I Botev, M Zivkov, ... Ecology & Safety 3 (1), 507-516, 2009 | 10 | 2009 |
