Results 31 to 40 of about 5,583 (203)

Nova Ocorrência de Mamíferos do Quaternário nos Tanques de Taperoá (Paraíba) e Alagoinha (Pernambuco), Nordeste do Brasil: Implicações Paleoambientais [PDF]

Anuário do Instituto de Geociências, 2017
Este trabalho reporta novas ocorrências de mamíferos da Megafauna do Quaternário nos sítios paleontológicos de Campo Alegre (município de Taperoá, estado da Paraíba) e Lage Grande (município de Alagoinha, estado de Pernambuco), Nordeste do Brasil.
Hermínio Ismael de Araújo-Júnior, Kleberson de Oliveira Porpino, Lílian Paglarelli Bergqvist, Leonardo dos Santos Avilla   +3 more
doaj   +1 more source

Phytochemical study of the Genus Salpichroa (Solanaceae), chemotaxonomic considerations, and biological evaluation in prostate and breast cancer cells [PDF]

, 2017
Twelve Salpichroa taxa have been phytochemically analyzed. From the aerial parts of S. scandens, four known salpichrolides A, C, I, S, and an unreported withanolide named salpichrolide V (1), were isolated. In S. dependens, S. gayi, S.
Barboza, Gloria Estela, Basso, Ana Valentina, Calvo, Juan Carlos, Careaga Quiroga, Valeria Pilar, Leiva González, Segundo, Nicotra, Viviana Estela, Sacca, Paula Alejandra   +6 more
core   +1 more source

(−)-6-epi-Artemisinin, a Natural Stereoisomer of (+)-Artemisinin in the Opposite Enantiomeric Series, from the Endemic Madagascar Plant Saldinia proboscidea, an Atypical Source

Molecules, 2021
Chemical and biological investigation of the Madagascar endemic plant Saldinia proboscidea led to the isolation of an isomer of artemisinin, (−)-6-epi-artemisinin (2). Its structure was elucidated using a combination of NMR and mass spectrometry.
Saholinirina Randrianarivo, Claudine Rasolohery, Sitraka Rafanomezantsoa, Heriniaina Randriamampionona, Liti Haramaty, Roger Marie Rafanomezantsoa, Eric H. Andrianasolo   +6 more
doaj   +1 more source

The genus Boccardia (Polychaeta: Spionidae) associated with mollusc shells on the south coast of South Africa [PDF]

, 2010
Three species of Boccardia (B. polybranchia, B. pseudonatrix and B. proboscidea) were associated with mollusc shells on the south and south-east coasts of South Africa.
Augener, Bailey-Brock, C.A. Simon, Carazzi, Day, Fauvel, Hartman, Hewitt, Imajima, J. Sterley, Kinberg, L. Lange, Martínez, Petch, Qian, Sato-Okoshi, Sato-Okoshi, T.M. Worsfold, Woodwick   +18 more
core   +2 more sources

Sea Surface Temperature and Salinity Changes in the Easternmost Mediterranean During the Pre‐Evaporitic Messinian Controlled by the Restriction at Gibraltar

Paleoceanography and Paleoclimatology, Volume 41, Issue 1, January 2026.
Abstract During the latest Miocene, the Mediterranean Basin was affected by extreme paleoceanographic and paleoenvironmental changes culminating with evaporite (gypsum and halite) formation during the Messinian Salinity Crisis (MSC: 5.97–5.33 Ma).
F. Lanterna, W. Krijgsman, L. Lourens, A. Mulch, I. Vasiliev   +4 more
wiley   +1 more source

Physicochemical characterization of crude and refined oil of Proboscidea parviflora seeds (Uña de gato)

Grasas y Aceites, 1993
Searching for seeds as new sources of oleaginous that can cover the national needs, it was studied the oil of Proboscidea parviflora. This oil was extracted from the seed with hexane in a Soxhlet apparatus, and its physical and chemical properties were ...
M. Ortega Nieblas, L. Vázquez Moreno
doaj   +1 more source

Confirmação da relação entre peixes-bois, "hyraxes" e elefantes, por meio do estudo da proteína das lentes dos olhos () [PDF]

Acta Amazonica, 1980
Resumo As relações filogenéticas entre os membros da super-ordem Paenungulata, os peixes-bois, elefantes e "hyraxes", foram investigadas, utilizando-se a seqüência de análises de aminoácidos da proteína oc A do cristalino da lente dos olhos destes ...
W. W. de Jong, A. Zweers
doaj   +1 more source

The Hazen Mammoth (Mammuthus columbi), Prairie County, Arkansas [PDF]

, 1974
In May 1965, mammoth remains were exposed during the excavation of a borrow pit for construction of Interstate Highway 40, 2 mi northeast of Hazen, Prairie County, Arkansas.
Puckette, William L., Scholtz, James A.
core   +2 more sources

Hypercanines: Not just for sabertooths

The Anatomical Record, Volume 308, Issue 11, Page 2831-2842, November 2025.
Abstract Hypercanines are here defined as hypertrophied caniniform teeth, that is, canine teeth that are elongated to serve specific functions in different clades of mammals and their synapsid ancestors. This article presents an overview of the occurrence of hypercanines, their growth, and their function across a broad range of clades.
Lars Werdelin
wiley   +1 more source

FOSIL PROBOSCIDEA DARI SITUS SEMEDO: HUBUNGANNYA DENGAN BIOSTRATIGRAFI DAN KEHADIRAN MANUSIA DI JAWA

Berkala Arkeologi, 2014
Semedo site is rich on vertebrate fossils, with huge percentage come from Ordo Proboscidea. The aim of this paper is to identify the taxonomy of Proboscidean fossils important for reconstruction on Biostratigraphy of Java.
Siswanto Siswanto, Sofwan Noerwidi
doaj   +1 more source