Seagrass development in terrigenous‐influenced inner ramp settings during the middle Eocene (Urbasa–Andia Plateau, Western Pyrenees, North Spain)

Sedimentology ◽  
2021 ◽  
Author(s):  
Juan Ignacio Baceta ◽  
GUILLEM Mateu‐Vicens
Keyword(s):  
Middle Eocene ◽  
Western Pyrenees

Sponges and corals from the Middle Eocene (Bartonian) marly formations of the Pamplona Basin (Navarre, western Pyrenees): taphonomy, taxonomy, and paleoenvironments

Facies ◽  
2013 ◽  
Vol 60 (1) ◽  
pp. 91-110 ◽  
Author(s):  
Humberto Astibia ◽  
Javier Elorza ◽  
Andrzej Pisera ◽  
German Álvarez-Pérez ◽  
Aitor Payros ◽  
...  
Keyword(s):  
Middle Eocene ◽  
Western Pyrenees

scholarly journals New fossils of Sirenia from the Middle Eocene of Navarre (Western Pyrenees): the oldest West European sea cow record

2010 ◽  
Vol 147 (5) ◽  
pp. 665-673 ◽  
Author(s):  
H. ASTIBIA ◽  
N. BARDET ◽  
X. PEREDA-SUBERBIOLA ◽  
A. PAYROS ◽  
V. DE BUFFRÉNIL ◽  
...  
Keyword(s):  
Western Europe ◽  
Middle Eocene ◽  
Histological Study ◽  
Regional Stage ◽  
Postcranial Remains ◽  
Sea Cow ◽  
Western Pyrenees ◽  
West European

AbstractPostcranial remains of Sirenia from the early Middle Eocene (late Lutetian) Urbasa-Andia Formation of Navarre (Western Pyrenees) are described. The material consists of two partial atlas vertebrae, one humerus and several dorsal ribs (from Arrasate, Urbasa plateau), and partial dorsal ribs (from Lezaun, Andia plateau). The morphology of the fossils is consistent with referral to Dugongidae, the only sirenian clade known so far in the Middle Eocene of Europe. Moreover, the histological study of the ribs shows that the pachyosteosclerosis of extant Sirenia was definitively present by the early Middle Eocene. The oldest sirenian remains reported to date in the Pyrenean Realm were assigned to the Biarritzian, a regional stage that is currently ascribed either to the middle or to the lower–middle Bartonian. Therefore, the sirenian remains of Lezaun, reliably dated as late Lutetian (SBZ16 zone) in age, are definitively the earliest sirenian fossils known in Western Europe and are among the oldest sea cow records of Europe.

Sedimentology and taphonomy of sirenian remains from the Middle Eocene of the Pamplona Basin (Navarre, western Pyrenees)

Facies ◽  
2004 ◽  
Vol 50 (3-4) ◽  
pp. 463-475 ◽  
Author(s):  
Humberto Astibia ◽  
Aitor Payros ◽  
Xabier Pereda Suberbiola ◽  
Javier Elorza ◽  
Ana Berreteaga ◽  
...  
Keyword(s):  
Middle Eocene ◽  
Western Pyrenees

Reassessment of the Early-Middle Eocene biomagnetochronology based on evidence from the Gorrondatxe section (Basque Country, western Pyrenees)

Lethaia ◽  
2007 ◽  
Vol 40 (2) ◽  
pp. 183-195 ◽  
Author(s):  
AITOR PAYROS ◽  
GILEN BERNAOLA ◽  
XABIER ORUE-ETXEBARRIA ◽  
JAUME DINARÈS-TURELL ◽  
JOSEP TOSQUELLA ◽  
...  
Keyword(s):  
Middle Eocene ◽  
Basque Country ◽  
Western Pyrenees

In Search of the Bartonian (Middle Eocene) GSSP (I): Potential in the Basque–Cantabrian and Aquitanian Basins (Western Pyrenees)

2014 ◽  
pp. 131-135
Author(s):  
Aitor Payros ◽  
Jaume Dinarès-Turell ◽  
Xabier Orue-Etxebarria ◽  
Simonetta Monechi ◽  
Silvia Ortiz ◽  
...  
Keyword(s):  
Middle Eocene ◽  
Western Pyrenees

Changes to sea-surface characteristics during the middle Eocene (47.4 Ma) C21r-H6 event: evidence from calcareous nannofossil assemblages of the Gorrondatxe section (western Pyrenees)

2017 ◽  
Vol 50 (3) ◽  
pp. 245-267 ◽  
Author(s):  
Beñat Intxauspe-Zubiaurre ◽  
Aitor Payros ◽  
José-Abel Flores ◽  
Estibaliz Apellaniz
Keyword(s):  
Middle Eocene ◽  
Surface Characteristics ◽  
Sea Surface ◽  
Calcareous Nannofossil ◽  
Western Pyrenees
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