New age constraints on the Lower Jurassic Pliensbachian–Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina) [PDF]
The Pliensbachian–Toarcian boundary interval is characterized by a ~ 3‰ negative carbon-isotope excursion (CIE) in organic and inorganic marine and terrestrial archives from sections in Europe, such as Peniche (Portugal) and Hawsker Bottoms, Yorkshire ...
Aisha H. Al-Suwaidi +10 more
doaj +2 more sources
A new pentatomoid bug from the Ypresian of Patagonia, Argentina [PDF]
A new pentatomoid heteropteran, Chinchekoala qunita gen. et sp. nov. is described from the lower Eocene of Laguna del Hunco, Patagonia, Argentina. The new genus is mainly characterised by cephalic characters such as the mandibular plates surpassing the
Julián F. Petrulevičius
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Biostratigraphic significance of the latest Cambrian-earliest Ordovician agnostoid trilobites from Northwestern Argentina [PDF]
The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids from northwestern Argentina is summarized. A characterization of the faunas recognized below and above the Cambrian-Ordovician boundary is presented on the ...
M.F. Tortello
doaj +6 more sources
Totoralia, a new conical-shaped mollusk from the middle Cambrian of western Argentina [PDF]
The new genus Totoralia from the late middle Cambrian of El Totoral (Mendoza Province, western Argentina) is described herein. It is a delicate, high, bilaterally symmetrical cone with a sub-central apex and five to seven prominent comarginal ...
M.F. TORTELLO, N.M. SABATTINI
doaj +7 more sources
Fossils from the Middle Jurassic of China shed light on morphology of Choristopsychidae (Insecta, Mecoptera). [PDF]
Choristopsychidae, established by Martynov in 1937 with a single isolated forewing, is a little known extinct family in Mecoptera. Since then, no new members of this enigmatic family have been described. Based on 23 well-preserved specimens with complete
Qiao X +3 more
europepmc +7 more sources
Early Cambrian archaeocyathan limestone blocks in low-grade meta-conglomerate from El Jagüelito Formation (Sierra Grande, Río Negro, Argentina) [PDF]
Massive grey limestone blocks containing a fairly diverse but poorly preserved archaeocyath fauna were recovered from a meta-conglomerate bed in the El Jagüelito Formation (Sierra Grande area, Eastern North Patagonian Massif, Río Negro, Argentina).
P.D. GONZÁLEZ +2 more
doaj +6 more sources
Los camélidos fósiles del sitio Toca da Esperança, Bahia, Brasil [PDF]
El sitio Toca da Esperança, Bahia, es un yacimiento paleontológico que presenta restos de camélidos fósiles com datación del Pleistoceno Medio, entre 295,000 y 250,000 años A.P.
Alfredo José Altamirano
doaj +2 more sources
La paleontología de invertebrados en la Revista del Museo de La Plata: 1891-2018
El número y contenido de los trabajos sobre Paleontología de Invertebrados publicados por la Revista del Museo de La Plata (RMLP) se correlaciona directamente con el desarrollo de la disciplina en el contexto institucional. Se diferencian cuatro épocas:
Alberto C. Riccardi
doaj +1 more source
A new burmagomphid dragonfly from the Eocene of Patagonia, Argentina [PDF]
A new burmagomphid anisopteran, Satelitala soberana gen. et sp. nov. is described from the lower Eocene of Laguna del Hunco, Patagonia, Argentina. The new genus is characterised by hindwing characters such as the subdiscoidal triangle not elongated; anal
Julián F. Petrulevičius
doaj +1 more source
Remarks on the Tithonian- Berriasian ammonite biostratigraphy of west central Argentina [PDF]
Fil: Riccardi, Alberto Carlos. División Paleozoología Invertebrados. Facultad de Ciencias Naturales y Museo.
Riccardi, Alberto Carlos
core +2 more sources

