Results 121 to 130 of about 2,327 (226)

New Odonatan oviposition ichnotaxa from the Lower Jurassic of Iran

open access: yesSwiss Journal of Palaeontology
Distinct, new oviposition lesion types, Paleoovoidus pyriformis ichnosp. nov. and Variomorphonotatus sagittaeformis ichnogen. et ichnosp. nov., occurring on two fossil compression Cycadophyte leaves from the Lower Jurassic Shemshak Formation of western ...
Hossein Hashemi   +2 more
doaj   +1 more source

CyanoNews (Vol. 4, No. 2, July 1988) [PDF]

open access: yes, 1988
CyanoNews was a newsletter that served the cyanobacteriological community from 1985 to 2003, with content provided by readers (sort of a blog before there were blogs). The newsletter reported new findings from the lab, summaries of recent meetings (often
Elhai, Jeff
core   +1 more source

A NEW ARBORESCENT SPECIES OF ZAMIA (CYCADALES, ZAMIACEAE) FROM THE DEPARTMENT OF HUILA, EASTERN CORDILLERA OF COLOMBIA

open access: yesCaldasia, 2012
Zamia huilensis Calonje, Esquivel, & D.W. Stev., a new arborescent species from theEastern Cordillera of Colombia (Department of Huila), is described and illustrated. Itis compared to Z.
Calonje Michael   +4 more
doaj  

Newspecies of Baieroxylon Gregussand Circoporoxylon Kräusel, in Rayoso and Huincul formations (Cretaceous), Neuquén Province, Argentina [PDF]

open access: yes, 2007
En este trabajo se estudian por primera vez maderas de gimnospermas del Cretácico de la provincia del Neuquén. Los caracteres xilológicos permitieron distinguir dos nuevas especies, Baieroxylon patagonicum sp. nov.
Lutz, Alicia Isabel   +1 more
core  

Chromosomes of the Cycadales

open access: yesJournal of the Arnold Arboretum., 1934
Karl Sax, J. M. Beal
openaire   +1 more source

A HYPOTHETIC SCENARIO FOR THE MIDDLE JURASSIC IN THE SOUTHERN PART OF THE NEUQUÉN BASIN, ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
A hypothetic scenario for the Middle Jurassic in the southern part of the Neuquén Basin, is proposed on the basis of sedimentary facies and palynological data obtained from the study of eight stratigraphic sections.
Mirta Quattrocchio   +3 more
doaj  

Scytophyllum waehneri (Stur) nov. comb., the correct name for Scytophyllum persicum (Schenk) Kilpper, 1975 [PDF]

open access: yes, 2011
Konijnenburg-van Cittert, Johanna H.A. van   +2 more
core   +1 more source

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