Results 111 to 120 of about 5,190 (203)

Conifer from the Jurassic of east Antarctica [PDF]

open access: yes, 1967
The genus Nothodacriurn gen nov. is described, with one species, N. warrenii sp. nov., from the uppermost Beacon Group, of Jurassic age. Also described is the pollen cone M asculostrobus warrenii sp. nov., which may belong with N. warrenii.
Townrow, JA
core  

Synopsis of the genus Empicoris (Hemiptera: Heteroptera: Reduviidae) in Chile [PDF]

open access: yes, 2011
The species of Empicoris Wolff, 1811 recorded from Chile are listed, and an identification key for all four species is provided. New distributional records from Chile are added: E. errabundus (Say, 1832) and E.
Faundez, Eduardo Iván   +1 more
core  

Magniophaga, nuevo género de Depressariidae (Lepidoptera: Gelechioidea) de Chile

open access: yesRevista Chilena de Entomología, 2018
A partir de adultos recolectados directamente y de la crianza de larvas obtenidas en brotes de Podocarpus spp. (Podocarpaceae), se describe a Magniophaga nuevo género de Depressariidae del centro-sur de Chile. Este género incluye a Magniophaga variabilis
Marcos Beéche
doaj  

Variaciones en la morfología foliar de Podocarpus parlatorei Pilger (Podocarpaceae), según la posición espacial de la hoja en la copa

open access: yesLilloa, 1998
En este trabajo se ha estudiado la morfología foliar de hojas de P. parlatorei en su hábitat natural. Se han examinado las hojas de cuatro ubicaciones en la copa: norte (N), sur (S), este (E) y oeste (W), así como hojas de tres ubicaciones en la parte ...
J. A. González   +5 more
doaj  

Taxaceoxylon katuatenkum sp. nov. from the Koluel-Kaike formation (lower - middle eocene), Chubut, Argentina: a component of paleogene subtropical forests of Patagonia [PDF]

open access: yes, 2009
Se describe en este trabajo un fragmento de tallo silicificado, Taxaceoxylon katuatenkum sp. nov., coleccionado en la localidad Kilómetro 170, al SE de Chubut (Argentina).
Bellosi, Eduardo Sergio   +2 more
core  

Mexican Lepidoptera biodiversity [PDF]

open access: yes, 2002
Being among the most habitat diverse countries in the world (and plant diversity is about 22,000 sp.), Mexico has a Lepidoptera fauna recorded at about 14,385 species but is estimated to be over 22,000 species, if not much higher (some estimates go to 35,
Heppner, J. B.
core   +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  

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