Results 61 to 70 of about 1,802 (206)
Body size and evolutionary rate analyses reveal complex evolutionary history of Alvarezsauria
Cladistics, Volume 41, Issue 1, Page 135-155, February 2025.Abstract Some of the smallest examples of dinosaurian body size are from alvarezsaurians, an enigmatic group of maniraptoran coelurosaurians with a peculiar combination of anatomical features unique among theropods. Despite the large number of alvarezsaurian species described worldwide and the increased understanding this has provided, the body‐size ...
Jorge Gustavo Meso +8 more
wiley +1 more source
LEAFLET ANATOMY OF ZAMIA DISODON D.W. STEV. & SABATO AND Z. RESTREPOI (D.W. STEV.) A. LINDSTR.
Caldasia, 2013 The genus Zamia is morphologically and ecologically the most diverse of theCycadales. Colombia is the country where most living species of Zamia have beenrecorded.
Acuña Castillo Rafael +1 more
doaj
Estudio preliminar de paleofloras cretácicas procedentes de la base de la Formación Loncoche (Mendoza, Argentina) [PDF]
, 2004 Se da a conocer el estudio paleobotánico preliminar que se está llevando a cabo en los yacimientos cretácicos de Calmu-Co y RanquilCo (Mendoza, Argentina).
Papú, Óscar +2 more
core +1 more source
The need for a socioecological harm reduction approach to reduce illegal wildlife trade
Conservation Biology, Volume 38, Issue 5, October 2024.Abstract The burgeoning illegal trade in succulents in southern Africa presents a critical conservation and social development challenge. Drawing parallels with the trajectory of the response to rhinoceros poaching, we considered the consequences of conservation law enforcement measures, particularly the militarization of antipoaching efforts.
Annette Hübschle, Jared Margulies
wiley +1 more source
American Journal of Botany, Volume 111, Issue 9, September 2024.Abstract Premise The Cenozoic Macquarie Harbour Formation (MHF) hosts one of the oldest and southernmost post‐Cretaceous fossil plant assemblages in Australia. Coinciding with the Early Eocene Climatic Optimum (EECO) and predating the breakup of Australia from Antarctica, it offers critical data to study the diversity and extent of the Austral Polar ...
Miriam A. Slodownik
wiley +1 more source
Chromosomal differentiation of Tribe Cestreae (Solanaceae) by analyses of 18-5.8-26S and 5S rDNA distribution [PDF]
, 2014 Tribe Cestreae is monophyletic with three genera: Cestrum, Sessea, and Vestia. Karyotypically, it is outstanding within Solanaceae by several features: (1) basic number x = 8, (2) large chromosome sizes, (3) complex heterochromatin patterns, (4 ...
Bernardello, Gabriel Luis Mario +3 more
core +1 more source
The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic
Systematic Entomology, Volume 49, Issue 3, Page 355-388, July 2024.Structural transformations of the elytra and abdomen played a major role in the early beetle evolution in the Permian. Polyphaga appear late in the fossil record, with only a few fossils of Elateriformia in the Late Triassic. Several factors were involved in the enormous diversification of beetles in the Cretaceous but evolutionary interactions with ...
Rolf G. Beutel +6 more
wiley +1 more source
Parallel evolution of angiosperm‐like venation in Peltaspermales: a reinvestigation of Furcula
New Phytologist, Volume 242, Issue 6, Page 2845-2856, June 2024.Summary Leaf venation is a pivotal trait in the success of vascular plants. Whereas gymnosperms have single or sparsely branched parallel veins, angiosperms developed a hierarchical structure of veins that form a complex reticulum. Its physiological consequences are considered to have enabled angiosperms to dominate terrestrial ecosystems in the Late ...
Mario Coiro +5 more
wiley +1 more source
Estudio palinológico de los sedimentos maastrichtienses del Barranco de la Posa (Prepirineo, Lérida, España) [PDF]
, 1985 El Maastrichtiense que se extiende entre Tremp y Coll de Nargó está representado por depósitos de carácter lagunar y salobre, con pequeños niveles marinos intercqlados .
Civis, J. +3 more
core
Patterns of variation in fleshy diaspore size and abundance from Late Triassic–Oligocene
Biological Reviews, Volume 99, Issue 2, Page 430-457, April 2024.ABSTRACT Vertebrate‐mediated seed dispersal is a common attribute of many living plants, and variation in the size and abundance of fleshy diaspores is influenced by regional climate and by the nature of vertebrate seed dispersers among present‐day floras.
Duhita Naware, Roger Benson
wiley +1 more source