Results 91 to 100 of about 143,492 (350)
The Anatomical Record, EarlyView.Abstract Hybodontiformes was a diverse, successful, and important group of shark‐like chondrichthyans known from a variety of ecosystems. Some representatives of the order had a wide palaeogeographic distribution, as is the case with Priohybodus arambourgi. With a multicuspidate crown, P. arambourgi was the first hybodontiform to develop fully serrated
Estevan Eltink +5 more
wiley +1 more source
Length-weight relationships for some important forage crustaceans from South Africa [PDF]
, 2000 The diet of marine animals is usually determined by stomach content analysis. Although partially digested prey fragments can often be identified to species level, it is difficult to estimate the original mass of the prey organism.
Gibbons, M.J. +4 more
core
The Anatomical Record, EarlyView.We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley +1 more source
The Anatomical Record, EarlyView.A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman +4 more
wiley +1 more source
Impact of hard-bottom substrata on the small-scale distribution of fish and decapods in shallow subtidal temperate waters [PDF]
, 2012 The micro-scale spatial distribution patterns of a demersal fish and decapod crustacean assemblage were assessed in a hard-bottom kelp environment in the southern North Sea. Using quadrats along line transects, we assessed the in situ fish and crustacean
Fischer, Philipp, Wehkamp, Stephanie
core +1 more source
Skeletal pathologies in extant crocodilians as a window into the paleopathology of fossil archosaurs
The Anatomical Record, EarlyView.Abstract Crocodilians, together with birds, are the only extant relatives to many extinct archosaur groups, making them highly important for interpreting paleopathological conditions in a phylogenetic disease bracketing model. Despite this, comprehensive data on osteopathologies in crocodilians remain scarce.
Alexis Cornille +6 more
wiley +1 more source
Feeding selectivity of brown trout (Salmo trutta) in Loch Ness, Scotland [PDF]
, 2000 The aim of this study was to compare statistically the zooplankton assemblage ingested by brown trout (Salmo trutta) in Loch Ness with that of the zooplankton in the water column.
Grey, Jonathan +2 more
core
Chemistry – An Asian Journal, EarlyView.The newly enacted Commission Regulation (EU) 2024/3190 addresses health concerns by promoting the use of BPA‐Non‐Intent (BPA‐NI) materials, which are formulated to avoid intentional BPA‐related chemical use and minimize contamination. ABSTRACT Bisphenol A (BPA) is a widely used industrial chemical used in the production of polycarbonate and epoxy ...
Takeru Kajiyama +4 more
wiley +1 more source
The impact of a vertically transmitted microsporidian, Nosema granulosis on the fitness of its Gammarus duebeni host under stressful environmental conditions [PDF]
, 2003 Although purely vertically transmitted parasites are predicted to cause low pathogenicity in their hosts, the effects of such parasites on host fitness under stressful environmental conditions have not previously been assessed.
Dunn, A.M., Hatcher, M.J., Kelly, A.
core +1 more source
Pigment‐Macromolecule Complexes Isolation from Sea Urchin Biomineral Waste for Coloring Materials
Chemistry–Methods, EarlyView.A methodology has been developed to extract the colored organic fraction occluded within seashell biomineral waste. Applied to sea urchin skeletons, free polyhydroxylated naphthoquinone (PHNQ) pigments and PHNQ‐macromolecule complexes are isolated. These complexes show superior pH stability in purple hues compared to free PHNQ, which shifts from red to
Claudio Ferreira +12 more
wiley +1 more source