Results 31 to 40 of about 2,860 (207)
Spiny chondrichthyan from the lower Silurian of South China [PDF]
, 2022 Modern representatives of chondrichthyans (cartilaginous fishes) and osteichthyans (bony fishes and tetrapods) exhibit contrasting skeletal anatomy and development that underscore the distant evolutionary split of the two clades.
Qiao, Tuo +9 more
core +1 more source
Smart sharks: a review of chondrichthyan cognition
Animal Cognition, 2022 Abstract450 million years of evolution have given chondrichthyans (sharks, rays and allies) ample time to adapt perfectly to their respective everyday life challenges and cognitive abilities have played an important part in that process. The diversity of niches that sharks and rays occupy corresponds to matching diversity in brains and behaviour, but ...
Culum Brown, Vera Schluessel
openaire +2 more sources
An Updated Greek National Checklist of Chondrichthyans
Fishes, 2022 Accurate checklists of species are essential for evaluating their conservation status and for understanding more about their distribution, biology and ecology and, therefore, the first step in order to effectively protect them.
Ioannis Giovos +13 more
doaj +1 more source
An annotated checklist of the chondrichthyans of Taiwan
Zootaxa, 2013 An annotated checklist of chondrichthyan fishes (sharks, batoids, and chimaeras) occurring in Taiwanese waters is presented. The checklist is the result of a biodiversity workshop held in Mach 2012 as well as on-going systematic revisions by the authors.
Ebert, D.A. +8 more
openaire +3 more sources
Diversity, 2023 The Late Jurassic-Early Cretaceous (164–100 Ma) represents one of the main transitional periods in life history. Recent studies unveiled a complex scenario in which abiotic and biotic factors and drivers on regional and global scales due to the ...
Eduardo Villalobos-Segura +7 more
doaj +1 more source
Rare evidence of shark-on-shark trophic interactions in the fossil record [PDF]
Acta Palaeontologica Polonica, 2021 Direct evidence of chondrichthyan trophic interactions in the fossil record is largely limited to bite traces on prey items but may also be found within the gut contents of exceptionally well-preserved individuals or as inclusions within coprolites ...
VICTOR J. PEREZ +2 more
doaj +1 more source
Reproduction Techniques Applied to Chondrichthyans Conservation
The IX Iberian Congress of Ichthyology, 2022 Chondrichthyan fishes, which comprise sharks, rays, and chimaeras, are one of the most threatened groups of vertebrates. Given this situation, one possible strategy for the protection of these species could be the use of ex situ conservation projects.
Pablo García-Salinas +2 more
openaire +2 more sources
A classic Late Frasnian chondrichthyan assemblage from southern Belgium [PDF]
, 2017 Samples from the Upper Frasnian (Devonian) of Lompret Quarry and Nismes railway section in Dinant Synclinorium, southern Belgium, yielded several chondrichthyan teeth and scales.
Stijn Goolaerts +8 more
core +2 more sources
Biology Open, 2014 In order to gain insight into the impact of yolk increase on endoderm development, we have analyzed the mechanisms of endoderm formation in the catshark S. canicula, a species exhibiting telolecithal eggs and a distinct yolk sac.
Benoit G. Godard +13 more
doaj +1 more source
Animals, 2021 Several chondrichthyan species are threatened, and we must increase our knowledge of their reproductive biology in order to establish assisted reproductive protocols for ex situ or in situ endangered species.
Marta Muñoz-Baquero +7 more
doaj +1 more source