Buscar
Mostrando ítems 1-10 de 39
A new pentatomoid bug from the Ypresian of Patagonia, Argentina
(Polish Academy of Sciences. Institute of Paleobiology, 2016-12)
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 ...
Additional Pelagornithidae remains from Seymour Island, Antarctica
(Pergamon-Elsevier Science Ltd, 2020-04)
Two incomplete mandibles are assigned to Pelagornithidae given the presence of a well marked neurovascular furrow and the unique bony projections, or “pseudo-teeth”, along the crista tomialis. Specimens IAA-Pv 175 from ...
Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, AntarcticaDiversidad de vertebrados marino costeros de la Provincia Weddelliana en un horizonte basal (Ypresiano, Eoceno) del Alomiembro Cucullaea I, Formación La Meseta, isla Seymour (Marambio), Antártida
(Universidad Nacional Mayor de San Marcos. Facultad de Ciencias Biológicas, 2012-12)
La Formación La Meseta aflora en la Isla Seymour/Marambio, Mar de Weddell, noreste de la Península Antártica y contiene una de las asociaciones de vertebrados costeros/marinos de edad Eoceno temprano (Ypresiano) más diversa ...
The oldest mammals from Antarctica, early Eocene of the La Meseta Formation, Seymour Island
(Wiley Blackwell Publishing, Inc, 2014-07)
New fossil mammals found at the base of Acantilados II Allomember of the La Meseta Formation, from the early Eocene (Ypresian) of Seymour Island, represent the oldest evidence of this group in Antarctica. Two specimens are ...
The southernmost occurrence of Brachycarcharias (Lamniformes, Odontaspididae) from the Eocene of Antarctica provides new information about the paleobiogeography and paleobiology of Paleogene sand tiger sharks
(Università degli Studi di Milano, 2018-03)
The first record of one of the most common and widespread Paleogene selachians, the sandtiger shark Brachycarcharias, in the Ypresian strata of the La Meseta Formation, Seymour Island, Antarctica, is providedherein. ...
New Metatherian Mammal from the Early Eocene of Antarctica
(Springer, 2018-09)
A new Paleogene metatherian from locality IAA 1/90, Marambio (Seymour) Island in the Antarctic Peninsula is described. Pujatodon ektopos, gen. et sp. nov., is recognized on the basis of a tiny lower left molar recovered ...