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ARIAS S, MD CASAGRANDA, JM DIAZ GOMEZ. A comparison of NDM and PAE using real data. En: Szumik, C. and P. Goloboff. A summit of cladistics: abstracts of the 27th Annual Meeting of the Willi Hennig Society and VIII Reunión Argentina de Cladística y Biogeografía. Cladistics, 25:1–36.

CARDOZO DE, F LOBO. 2009. Pseudopaludicola mirandae Mercadal de Barrio and Barrio 1994 (Anura: Leiuperidae) Is a Junior Synonym of Pseudopaludicola boliviana Parker, 1927. Journal of Herpetology, 43: 685–687.

CLAUSNITZER VJ, M KALKMAN, B RAM, JEM COLLEN, M BAILLIE, WRT BEDJANIC, K DARWALL, DB DIJKSTRA, R DOW, J HAWKING, H KARUBE, E MALIKOVA, D PAULSON, K SCHÜTTE, F SUHLING, RJ VILLANUEVA, N VON ELLENRIEDER, K WILSON . 2009. Odonata enter the biodiversity crisis debate: The first global assessment of an insect group. Biological Conservation, 142: 1864–1869.

COIRA B, A KIRSCHBAUM, F HONGN, B PÉREZ, N MENEGATTI. 2009. Basic magmatism in northeastern Puna, Argentina: Chemical composition and. Journal of South American Earth Sciences, 28: 374–382.

DIAZ GOMEZ JM. 2009. Historical Biogeography of Liolaemidae: Endemism and Ancestral Area Analysis. En: Szumik, C. and P. Goloboff. A summit of cladistics: abstracts of the 27th Annual Meeting of the Willi Hennig Society and VIII Reunión Argentina de Cladística y Biogeografía. Cladistics, 25: 1–36.

FABREZI M, A MANZANO, V ABDALA, H ZAHER. 2009. Developmental basis of limb homology in turtles and the identity of the hooked element in the chelonian tarsus. Zoological Journal of the Linnean Society, 155: 845–866.

FABREZI M, F LOBO. Hyoid Skeleton, Its Related Muscles, and Morphological Novelties in the Frog Lepidobatrachus (Anura, Ceratophryidae). The Anatomical Record, 292: 1700–1712.

FABREZI M, J GOLDBERG. 2009. Heterochrony during skeletal development of Pseudis platensis (Anura, Hylidae) and the early offset of skeleton development and growth. Journal of Morphology, 270: 205–220.

FABREZI M, SI QUINZIO, J GOLDBERG. 2009. The giant tadpole and delayed metamorphosis of Pseudis platensis Gallardo, 1961 (Anura, Hylidae). Journal of Herpetology, 43: 228–243.

GARRISON RW, N VON ELLENRIEDER. 2009. Redefinition of Mesoleptobasis Sjöstedt 1918 with the inclusion of Metaleptobasis cyanolineata (Wasscher 1998) comb. nov. and description of a new species, Mesoleptobasis elongate (Odonata: Coenagrionidae). Zootaxa, 2145: 47–68.

GONZÁLEZ-SORIANO E, N VON ELLENRIEDER. 2009. What is Amphipteryx agrioides Selys 1853 (Odonata: Amphipterygidae)? Zootaxa, 2074: 61–64.

MARTINEZ OG, MA MORBELLI. 2009. The spores of Pteris cretica complex (Pteridaceae-Pteridophyta) in America. Grana, 48: 193–214

PAYROLA BOSIO PA, C DEL PAPA, J POWELL, F HONGN. 2009. Middle Eocene deformation-sedimentation in the Luracatao Valley: Tracking the beginning of the foreland basin of Northwestern Argentina. Journal of South American Earth Sciences, 28: 142–158.

PETRINOVIC I, F HONGN, C DEL PAPA, P CAFFE. 2009. Comments on Kinematic variations across Eastern Cordillera at 24ºS (Central Andes): Tectonic and magmatic implications by Acocella, et al. [Tectonophysics 434 (2007) 81 92]. Tectonophysics, 469: 150–154.

QUINTEROS AS, F LOBO. Iguanian Lizard Liolaemus barbarae Pincheira-Donoso and Núñez Is a Junior. Journal of Herpetology, 43: 336–339.

SZUMIK C, L AAGESEN, V ARZAMENDIA, D BALDO, D CASAGRANDA, F CUEZZO, JM DIAZ GOMEZ, A DI GIACOMO, N GIANINI, A GIRAUDO, P GOLOBOFF, C GRAMAJO, C KOPUCHIAN, S KRETZCHMAR, M LLIZARRALDE, A MOLINA, M MOLLERACH, O MORRONE, F NAVARRO, S NOMDEDEU, A PANIZZA, M SANDOVAL, G SCROCCHI, L TAHER, F ZULUAGA. 2009. Areas of endemism in Argentina: an analysis using 840 species of plants, mammals, reptiles, amphibians, birds and insects. En: Szumik, C. and P. Goloboff. A summit of cladistics: abstracts of the 27th Annual Meeting of the Willi Hennig Society and VIII Reunión Argentina de Cladística y Biogeografía. Cladistics, 25: 1–36.

TÁLAMO A, CE TRUCCO, S CAZIANI. 2009. Vegetación leñosa de un camino abandonado del PN Copo (Chaco semiárido) en relación a la matriz de vegetación circundante y la ganadería. Ecología Austral, 19: 157–165.

TANCO ME, OG MARTINEZ, MC BONOMO, 2009. Germinación y morfogénesis de prótalos de Pteris inermis Link. (Pteridaceae – Pteridophyta). Gayana Botanica, 66: 10–17.

VON ELLENRIEDER N, C MOLINERI, D EMMERICH. 2009. Odonata de Uruguay: lista de especies y nuevos registros. Revista de la Sociedad Entomológica Argentina, 68: 227–230.

VON ELLENRIEDER N. 2009. Databasing dragonflies: State of knowledge in the Neotropical region. Agrion, 13: 58–72.

VON ELLENRIEDER N. 2009. Five new species of Orthemis from South America (Odonata: Libellulidae). Internacional Journal of Odonatology, 12: 347–381.

VON ELLENRIEDER N. 2009. Odonata of the Argentine Yungas cloud forest: distribution patterns and conservation status. Odonatologica, 38: 39–53.

VON ELLENRIEDER N. 2009. The entomological collection of the Museo de Ciencias Naturales de Salta, Argentina. Revista de la Sociedad Entomologica Argentina, 68: 253–262.