Results 21 to 30 of about 106,743 (301)

Two new long-rostrum cranefly species from the Cretaceous Iberian amber (Diptera, Limoniidae, Helius)

Scientific Reports, 2021
First record of the genus Helius—long-rostrum cranefly from Maestrazgo Basin (eastern Spain, Iberian Penisula) is documented. Two new fossil species of the genus Helius are described from Cretaceous Spanish amber and compared with other species of the ...
Iwona Kania-Kłosok, Wiesław Krzemiński, Antonio Arillo   +2 more
doaj   +1 more source

Valanginian to Barremian Benthic Foraminifera from ODP Site 766 (Leg 123, Indian Ocean) [PDF]

, 1995
A Valanginian to Barremian bathyal foraminiferal assemblage (118 taxa belonging to 51 genera) is documented from ODP Site 766, drilled near the foot of the Exmouth Plateau off northwest Australia.
Holbourn, A.E.L., Kaminski, M.A.
core   +1 more source

A new megaspilid wasp from Eocene Baltic amber (Hymenoptera: Ceraphronoidea), with notes on two non-ceraphronoid families: Radiophronidae and Stigmaphronidae [PDF]

PeerJ, 2018
Ceraphronoids are some of the most commonly collected hymenopterans, yet they remain rare in the fossil record. Conostigmus talamasi Mikó and Trietsch, sp. nov. from Baltic amber represents an intermediate form between the type genus, Megaspilus, and one
István Mikó, Thomas van de Kamp, Carolyn Trietsch, Jonah M. Ulmer, Marcus Zuber, Tilo Baumbach, Andrew R. Deans   +6 more
doaj   +2 more sources

Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns [PDF]

, 2016
publisher: Elsevier articletitle: Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns journaltitle: Perspectives in Plant Ecology, Evolution and Systematics articlelink: http://dx.doi.org/10.1016/j.ppees.2016.01.003 ...
Alexander R. Schmidt, Barden, Bell, Benton, Benton, Cardinal, Caspary, Christenhusz, Coiffard, Collinson, Collinson, Cruickshank, Darriba, Drummond, Feldberg, Goeppert, Grimaldi, Guindon, Gómez, Harald Schneider, Hasebe, Hedenäs, Heinrichs, Heinrichs, Heinrichs, Heinrichs, Hu, Jochen Heinrichs, Kramer, Kvaček, Lehtonen, Lehtonen, Lloyd, Lovis, Lóriga, Maddison, Magallón, Magallón, Mays, Mendes, Meredith, Mohr, Nagalingum, Nagalingum, Parham, Poinar, Poinar, Pérez-de la Fuente, Rambaut, Rambaut, Ren, Rothwell, Schmidt, Schmidt, Schneider, Schneider, Schneider, Schneider, Schneider, Schuettpelz, Schuettpelz, Shi, Skog, Smith, Smith, Smith, Smith, Smith, Tidwell, Tryon, van Konijnenburg-van Cittert, Vera, Vermeij, Villarreal, Wing, Zeng   +75 more
core   +1 more source

The History of the Aptian Stage Stratigraphy and Ammonoids of the Central Part of the Northern Caucasus Studies. Paper 1. 19th Century to 1969 [PDF]

Известия Саратовского университета. Новая серия: Серия Науки о Земле
The offering paper covers the history of the Aptian stage stratigraphy and ammonites studies of the central part of the Northern Caucasus, which was subdivided by the author into five stages. The first (mid-to-late 19th century), second (1901–1951)
Polkovoi, Kirill Sergeevich
doaj   +1 more source

Provenance reconstructions. Article 2. Litho- and isotope-geochemical approaches and methods

Литосфера, 2020
Research subject. In this paper, we consider specific features of the use of litho- and isotopic-geochemical data for the purposes of provenance reconstruction.Methods and materials.
A. V. Maslov, O. Yu. Melnichuk, G. A. Mizens, Yu. V. Titov, M. V. Chervyakovskaya   +4 more
doaj   +1 more source

Digit-only sauropod pes trackways from China - evidence of swimming or a preservational phenomenon? [PDF]

, 2016
For more than 70 years unusual sauropod trackways have played a pivotal role in debates about the swimming ability of sauropods. Most claims that sauropods could swim have been based on manus-only or manus-dominated trackways.
C Gierliński, C Swanson, D Li, DL Johnson, DM Henderson, DQ Li, DQ Li, H Mallison, H Zhang, HL You, HL You, HL You, J Zhang, JA Wilson, JJ Day, JJ Song, JRA Usherwood, JY Song, KG Hwang, LD Xing, LD Xing, LD Xing, LD Xing, LG Li, LM Ji, LS Ye, M Borsuk-Bialynicka, M Fujita, M Huh, MG Lockley, MG Lockley, MG Lockley, MG Lockley, MG Lockley, MG Lockley, MG Lockley, PL Falkingham, PL Falkingham, PL Falkingham, PL Falkingham, PL Falkingham, R Ezquerra, RM Alexander, RT Bird, S Ishigaki, VF Santos, VF Santos, Y Du, YH Tang, YN Lee   +49 more
core   +3 more sources

The palate and choanae structure of the Susisuchus anatoceps (Crocodyliformes, Eusuchia): phylogenetic implications [PDF]

PeerJ, 2018
Crocodyliformes is a group with a broad fossil record, in which several morphological changes have been documented. Among known transformations the most iconic is perhaps the series of changes seen in the structural evolution of the choanae.
Karla J. Leite, Daniel C. Fortier
doaj   +2 more sources

Lower Cretaceous rocks of Sierra Los Chinos, east-central Sonora, Mexico [PDF]

Geofísica Internacional, 2000
Most Lower Cretaceous rocks in Sonora are part of the Bisbee Group of southern Arizona, deposited within a basin considered to be an extension of the Gulf of Mexico into Texas, New Mexico, Arizona and Sonora.
José F. Longoria, Rogelio Monreal
doaj  

Mutual relations between petrographical and petrophysical properties of Cretaceous rock samples for some wells in the North Western Desert, Egypt

Egyptian Journal of Petroleum, 2013
The petrographical and petrophysical analyses are very important to understand the factors controlling the reservoir quality. So, these techniques have been applied on rock samples collected from the Cretaceous section for four wells drilled in the North
M.A. Kassab, A.A. Abdou, N.H. El Gendy, M.G. Shehata, A.A. Abuhagaza   +4 more
doaj   +1 more source