Results 31 to 40 of about 94,563 (267)

The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl [PDF]

Acta Palaeontologica Polonica, 2020
A specialized diving lifestyle has repeatedly evolved in several lineages of modern and fossil waterfowl (Anseriformes), with the oldest previously known representative being the late Oligocene Australian oxyurine ducks Pinpanetta.
Nikita Zelenkov
doaj   +1 more source

Climate Change and invasibility of the Antarctic benthos [PDF]

, 2007
Benthic communities living in shallow-shelf habitats in Antarctica (<100-m depth) are archaic in their structure and function. Modern predators, including fast-moving, durophagous (skeleton-crushing) bony fish, sharks, and crabs, are rare or absent ...
A Brandt, A Brandt, A Brandt, A Brandt, A Clarke, A Clarke, A Clarke, A Clarke, A Clarke, AL Allcock, Andrew Clarke, BA Seibel, Brad A. Seibel, Cheryl D. Wilga, D Thies, DA Hodgson, Daniel B. Blake, DS Coombs, EW Dawson, G Chapelle, GA Knox, GA Lovrich, GE Hofmann, GJ Vermeij, JC Carrier, JE Werner, JH Lipps, JM Raguá-Gil, JP Kennett, JS Pearse, JT Eastman, JT Eastman, JW Wakeling, L Watling, LC Ivany, LI Comoglio, Lloyd S. Peck, LS Peck, M Klages, MA Bitner, P Huybrechts, PA Fields, PD Glorioso, PM Arnaud, Pörtner H-O, R Revelle, RB Aronson, Richard B. Aronson, RJ Menzies, RM Feldmann, S Thatje, S Thatje, SM Stanley, Snelgrove PVR, ST Ahyong, Sven Thatje, T Antezana, T Brey, TJ Page, U Piatkowski, WE Arntz, WE Arntz, WE Arntz   +62 more
core   +1 more source

Mineralogy of anorthosite veins and host gabbros in the Kal-e-Kafi intrusive body (northeast of Anarak, Isfahan Province, Central Iran)

Journal of Economic Geology, 2022
Introduction In the northeastern part of the Isfahan province and 65 km northeast of the Anarak city (Kal-e-Kafi area), an I-type granitoid pluton cross cut the Paleozoic metamorphic rocks and Eocene volcanic rocks. In the contact of this granitoid body
Hanan Salim, Ghodrat Torabi , Nargess Nosouhian   +2 more
doaj   +1 more source

The oldest representative of the bombyliid bee fly in the earliest Eocene French amber [PDF]

Acta Palaeontologica Polonica, 2020
Eoconophorinadelfineae gen. et sp. nov., the oldest repre-sentative of the bee fly subfamily Bombyliinae, is described from the earliest Eocene Oise amber (France). It is charac-terized by the presence of mid tibial spurs, cylindrical ab-domen and
Aude Maheu, Andre Nel
doaj   +1 more source

Eocene–early Oligocene climate and vegetation change in southern China: Evidence from the Maoming Basin [PDF]

, 2017
Although the Eocene-Oligocene climate transition marks a critical point in the development of the ‘icehouse’ global climate of the present little is known about this important change in the terrestrial realm at low latitudes.
Aleksandrova, Galina N., Chen, Gang, Herman, Alexei B., Jin, Jian-Hua, Kodrul, Tatiana M., Maslova, Natalia P., Spicer, Robert A., Spicer, Teresa E.V., Yang, Jian   +8 more
core   +1 more source

Shallow-water late middle Eocene crinoids from Tierra del Fuego: a new southern record of a retrograde community structure

Scientia Marina, 2005
One of the very few crinoid records in Patagonia is that of the abundant columnals of the genus Isselicrinus found in several localities in shallow marine, glauconitic sandstones of the Leticia Formation (upper middle Eocene of Tierra del Fuego Island ...
Norberto Malumián, Eduardo B. Olivero
doaj   +1 more source

Palynostratigraphy and palynofacies of the early Eocene Gurha lignite mine, Rajasthan, India [PDF]

, 2016
A 105 m early Eocene section exposed in the Gurha mine in the Nagaur-Ganganagar Basin, Rajasthan, India, archiving remains of equatorial vegetation at a time of extreme global warmth and close to the onset of the India-Eurasia collision, is investigated ...
Aggarwal, Anumeha Shukla, Batten, Biswas, Clausing, Dayal, Eberle, Frederiksen, Germeraad, Grice, Harley, Hart, Kar, Kar, Kar, Kar, Knights, Kumar, Kumar, Kumar, Lal, Madhav Kumar, Martin, Masron, Molnar, Morley, Muller, Norton, Pocock, Priyanka Monga, R.C. Mehrotra, Raju, Rao, Rao, Rao, Rawat, Robert A. Spicer, Roy, Sah, Shukla, Teresa E.V. Spicer, Thanikaimoni, Traverse, Tripathi, Tyson, Van Geel, Wang, Zachos, Zachos, Zarzen, Zarzen   +50 more
core   +1 more source

BULIMINELLOIDES: A NEW ROTALIID BENTHIC FORAMINIFERAL GENUS [PDF]

Acta Scientifica Malaysia
This study describes a new Eocene Rotaliid genus Buliminelloides from Alano section, NE Italy. It is characterized by an elongate subcylindrical triserial perforate calcareous test, chambers regularly triserial throughout, while the final chambers may ...
Haidar Salim Anan
doaj   +1 more source

Organic matter characteristics of Eocene source rocks with different lithologies in Baiyun Sag of Pearl River Mouth Basin and their geological significance

Shiyou shiyan dizhi
In the deep-water area of the Zhu Ⅱ Depression of the Pearl River Mouth Basin, the Baiyun Sag develops three types of source rocks: mudstone, carbonaceous mudstone, and coal.
Yue CHEN, Xiaojun ZHU, Lili ZHANG, Xuhong XIANG, Xiang ZENG, Weilin ZHU   +5 more
doaj   +1 more source

Trace fossils from the Buchak Formation (Lutetian, Eocene) of Luhansk Oblast, Ukraine, and their palaeogeographic significance

Geo&Bio, 2023
Eleven Fodinichnia, Pascichnia, and Domichnia ichnotaxa (Apectoichnus longissimus (Kelly et Bromley, 1984), cf.Conichnus isp., Gastrochaenolites isp., Gnathichnus isp., Macaronichnus segregatis Clifton et Thompson, 1978,Ophiomorpha nodosa Lundgren, 1891 ...
Vitaly Dernov, Mykola Udovychenko
doaj   +1 more source