Results 81 to 90 of about 2,860 (207)
Identifying hotspots of faunal data deficiency to direct urgent research and monitoring
Conservation Biology, Volume 40, Issue 5, October 2026.Abstract Data deficiency is a substantial challenge for extinction risk assessments because incomplete data means we cannot accurately identify priority protected areas for conservation. Here, we use the International Union for Conservation of Nature (IUCN) distributions of amphibians, sharks and rays, fish, mammals, birds, and reptiles to identify ...
Matt W. Hayward +4 more
wiley +1 more source
, 2011 FIG. 6. – Chondrichthyan scales of Tassiliodus lessardi n. gen., n. sp. from the Emsian (Devonian) of southern Algeria: A, MNHN.F.ALD-24; A1, crown view; A2, basal view; B, MNHN.F.ALD-25; B1, crown view; B2, basal view; C, MNHN.F.ALD-26; C1, crown view ...
Claire Derycke +3 more
core +1 more source
FINS—A Global Occurrence Dataset of Fossil Neoselachians From the Cretaceous to the Quaternary
Global Ecology and Biogeography, Volume 35, Issue 10, October 2026.ABSTRACT Motivation Modern sharks, rays and skates (Neoselachii) are a diverse, globally distributed and ecologically important group. They possess a rich, geologically extensive and well‐documented fossil record that provides a powerful basis for studying their macroevolution, paleoecology and biogeography.
Kristína Kocáková +5 more
wiley +1 more source
The state of research on chondrichthyan fishes [PDF]
Marine and Freshwater Research, 2007 More than a decade has passed since the Convention for Trade in Endangered Species (CITES) first alerted the United Nations Food and Agriculture Organization (FAO) of the urgent need to establish programs for collecting biological and trade data and for managing the impacts of fishing on shark populations.
openaire +1 more source
PLoS ONE, 2011 BackgroundThe relationships of cartilaginous fishes are discussed in the light of well preserved three-dimensional Paleozoic specimens. There is no consensus to date on the interrelationship of Paleozoic chondrichthyans, although three main phylogenetic ...
Alan Pradel +3 more
doaj +1 more source
Lista patrón de los tiburones, rayas y quimeras (Chondrichthyes, Elasmobranchii, Holocephali) de México [PDF]
Arxius de Miscel-lània Zoològica, 2016 Checklist of sharks, rays and chimaeras (Chondrichthyes, Elasmobranchii, Holocephali) from Mexico We present an annotated checklist of the species of sharks, rays and chimaeras (chondrichthyan fishes) occurring in Mexican waters, based on a thorough ...
Del Moral-Flores, L. F. +4 more
doaj
Figure 1 in Chondrichthyan tooth enameloid: past, present, and future
, 2015 Figure 1. Schematic organization of a typical selachimorph tooth illustrating the various tissues composing the enameloid cover.Published as part of <i>Enault, Sébastien, Guinot, Guillaume, Koot, Martha B.
Guinot, Guillaume +3 more
core +1 more source
, 2019 Chondrichthyan remains occur in abundance within a thin layer of limestone at the top of the Burlington Limestone at the point of the contact with the overlying Keokuk Limestone.
Hoenig, Matthew Michael James
core
Chondrichthyan fauna of the Frasnian-Famennian boundary beds in Poland [PDF]
, 2002 New chondrichthyan microremains from several Frasnian–Famennian sections in the Holy Cross Mountains and Dębnik area (Southern Poland) are investigated and compared to previous data.
Ginter, M
core