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Revision of Valanginian Steinmanellinae bivalves from the Neuquén basin, West-central Argentina, and their biostratigraphic implications
(Academic Press Ltd - Elsevier Science Ltd, 2013-10)
We present a new species of Steinmanella Crickmay from the Valanginian of the Neuquén Basin, west-central Argentina, and at the same time update a Valanginian-earliest Barremian bivalve zonation which is integrated into ...
Lower Cretaceous ammonites from the Neuquén Basin, Argentina: The neocomitids of the Pseudofavrella angulatiformis Zone (upper Valanginian)
(Academic Press Ltd - Elsevier Science Ltd, 2010-06)
The Pseudofavrella angulatiformis Zone (upper Valanginian) of the Agrio Formation in the Neuquén Basin, Argentina, is characterized exclusively by a complex sequence of neocomitid faunas that are sandwiched between the ...
A new dicraeosaurid sauropod from the Lower Cretaceous (Mulichinco Formation, Valanginian, Neuquén Basin) of Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2019-01)
A new dicraeosaurid sauropod, Pilmatueia faundezi gen. et sp. nov. from the Mulichinco Formation (Valanginian, Lower Cretaceous, Neuquén Basin, Argentina) is based on isolated skeletal remains collected from a single ...
Shell bed stacking patterns in the Chachao formation (Early Valanginian) in Malargüe area, Mendoza Province, Neuquen Basin-Argentina
(Springer, 2001-12)
The Lower Cretaceous Chachao Formation in the Malargüe anticline area consists of wackestone, packstone, and minor grainstone and mudstone rich in benthic fauna which were deposited in a shallow carbonate ramp. These shell ...
An Early Cretaceous, medium-sized carcharodontosaurid theropod (Dinosauria, Saurischia) from the Mulichinco Formation (upper Valanginian), Neuquén Province, Patagonia, Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2019-11)
A new carcharodontosaurid taxon, Lajasvenator ascheriae gen. et sp. nov. is described. The new taxon is based on two specimens: MLL-PV-Pv-005 is a partial skeleton represented by a portion of the snout, partially articulated ...
Tempskya in the Valanginian of South America (Mulichinco Formation, Neuquén Basin, Argentina) - Systematics, palaeoclimatology and palaeoecology
(Elsevier Science, 2015-08)
New specimens of the tree fern Tempskya are described from the Mulichinco Formation (Valanginian), Neuquén Basin, Argentina. Tempskya is a genus for permineralized false fern trunks. This extinct genus had a wide distribution ...
Early Cretaceous crustacean microcoprolites from Sierra de la Cara Cura, Neuquén Basin, Argentina: Taphonomy, environmental distribution, and stratigraphic correlation
(Elsevier, 2014-02)
A new Early Cretaceous association of crustacean microcoprolites from the southern Mendoza sector of the Neuquén Basin, includes Palaxius salataensis Brönnimann, Cros and Zaninetti, 1972; Palaxius caucaensis Blau, Moreno ...
Lower Cretaceous corals from the Agrio Formation, Neuquén Basin, west-central Argentina: Family Columastraeidae
(Academic Press Ltd - Elsevier Science Ltd, 2021-08)
This contribution presents the second part of the results of an ongoing systematic revision of the coral fauna from mixed carbonate-siliciclastic sedimentary facies of the Agrio Formation (upper Valanginian–upper Hauterivian) ...
New crustacean microcoprolites from the Lower Cretaceous (middle Berriasian-lower Valanginian) of the Neuquén Basin, Southern Mendoza, Argentina
(Pergamon-Elsevier Science Ltd, 2010-11)
Three new ichnotaxa of crustacean microcoprolites from the Neuquén Basin, Argentina, are described in this paper: Palaxius rahuensis Kietzmann n. isp. (early Valanginian), Palaxius mendozaensis Kietzmann n. isp. and Palaxius ...
Description of ichthyosaur remains from the Lower Cretaceous Agrio Formation (Neuquén Basin, west-central Argentina) and their paleobiological implications
(Academic Press Ltd - Elsevier Science Ltd, 2018-09)
Ichthyosaur remains from the Lower Cretaceous of the Neuquén Basin, west-central Argentina, are herein described and put into the broader context of their mode of occurrence and facies relationships. The ichthyosaur material ...