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New and little-known bryozoans from Monte León Formation (early Miocene, Argentina) and their paleobiogeographic relationships
(Paleontological Society, 2015-05)
The bryozoan fauna from the South American Cenozoic is poorly known. The study of new material collected in the Monte León Formation (early Miocene), gave us the opportunity to describe four new species: Valdemunitella ...
Sr-isotope chronostratigraphy of Paleogene-Neogene marine deposits: Austral Basin, southern Patagonia (Argentina)
(Pergamon-Elsevier Science Ltd, 2012-08)
The Paleogene to Neogene San Julián and Monte León formations underlie the central and eastern parts of the Austral Basin (Patagonia, Argentina), and represent coastal plain to shallow shelf systems within a retroarc ...
A new Patagonian long-lived species of Cyclochlamys Finlay, 1926 (Bivalvia: Pectinoidea)
(Taylor & Francis Ltd, 2018-07)
A new species of the bivalve family Cyclochlamydidae is described from the southwestern Atlantic in Argentine waters. Cyclochlamys argentina sp. nov. is the second representative of the genus known to live in the Magellanic ...
First record of a fossil selenariid bryozoan in South America
(Taylor & Francis Ltd, 2017-02)
Selenariidae Busk 1854 (Bryozoa) is considered endemic to Australia and New Zealand. Here we describe a new species of Selenaria Busk 1854 from the lower Miocene Monte León Formation (Patagonia, Argentina). Selenaria ...
First fossil occurrence of the genus platychelyna hayward and thorpe (Bryozoa: Cheilostomata)
(Asociación Paleontológica Argentina, 2018-12)
Platychelyna secunda sp. nov. is described based on material collected in the Monte León Formation, Patagonia, Argentina (early Miocene). This is the second species of Platychelyna Hayward and Thorpe to be described and ...
A new genus and species of Chaperiidae (Bryozoa: Cheilostomata) from the early Miocene of Patagonia (Argentina)Un nuevo género y especie de Chaperiidae (Bryozoa: Cheilostomata) del Mioceno temprano de Patagonia (Argentina)
(Asociación Paleontológica Argentina, 2020-03)
La familia Chaperiidae alcanza su máxima biodiversidad en el hemisferio sur. El principal rasgo morfológico que caracteriza a la familia es un par de láminas calcáreas asociadas con la inserción de los músculos oclusores ...
Microbivalves from the Monte Leon Formation (Early Miocene), Patagonia, Argentina
(Museum Histoire Naturelle, 2012-04)
Three new species (Mysella donaciformis n. sp., Cosa helianthea n. sp., and Lissarca saraballentae n. sp.) of small bivalves are described from early Miocene rocks in southern Patagonia. The outcrops lie along the coast ...
Palinología y micropaleontología de las Formaciones San Julián y Monte León (Oligoceno - Mioceno temprano) en el subsuelo de cabo Curioso, provincia de Santa Cruz, ArgentinaPalynology and micropaleontology of the San Julián and Monte León Formations (Oligocene - Early Miocene), Cabo Curioso Subsurface, Santa Cruz Province, Argentina
(Asociacion Paleontologica Argentina, 2009-03)
Los pozos CC-3 y CC-4 atravesaron una columna sedimentaria cenozoica que comprende las formaciones San Julián y Monte León, similar a la aflorante en el Gran Bajo de San Julián. Se analizó la palinología y micropaleontología ...
The stratigraphic and paleoenvironmental significance of the regressive Monte Observación Member, Early Miocene of the Austral Basin, Patagonia
(Asociación Argentina de Sedimentología, 2018-12)
The stratigraphy of the Oligocene-Miocene southern Patagonia marine deposits has been extensively discussed. However, the Monte Observación Member (MOM) was vaguely defined and many aspects related to its boundaries, ...