A new chondrichthyan fauna from the Late Jurassic of the Swiss Jura (Kimmeridgian) dominated by hybodonts, chimaeroids and guitarfishes [PDF]
, 2017 The fossil record of chondrichthyans (sharks, rays and chimaeroids) principally consists of isolated teeth, spines and dermal denticles, their cartilaginous skeleton being rarely preserved.
Billon Bruyat, Jean Paul +3 more
core +3 more sources
First record of Hydrolagus melanophasma James, Ebert, Long & Didier, 2009 Chondrichthyes, Chimaeriformes, Holocephali) from the southeastern Pacific Ocean [PDF]
, 2012 The eastern Pacific black ghost shark, Hydrolagus melanophasma is reported from deep waters off Chile and is described from specimens collected off Valdivia at depths of 1150 to 1720 m. This species is distinguished from all other members of the genus by
Bennett, Mike +5 more
core +1 more source
Frontiers in Ecology and Evolution, 2022 Chondrichthyans are now widely adopted as models for examining the development and evolution of the stem gnathostome body plan. The fins of some cartilaginous fish are recognized for their plesiomorphic form and mode of muscular development, i.e ...
Jacob B. Pears +6 more
doaj +1 more source
Structure and vascularization of the ventricular myocardium in Holocephali: their evolutionary significance [PDF]
Journal of Anatomy, 2015 AbstractIt was generally assumed that the ventricle of the primitive vertebrate heart was composed of trabeculated, or spongy, myocardium, supplied by oxygen‐poor luminal blood. In addition, it was presumed that the mixed ventricular myocardium, consisting of a compacta and a spongiosa, and its supply through coronary arteries appeared several times ...
Ana C, Durán +7 more
openaire +2 more sources
Geologia USP. Série Científica, 2016 A Formação Irati, Permiano (Cisuraliano) da Bacia do Paraná, destaca-se por importantes características geológicas e paleontológicas. Entre seus fósseis, os crustáceos e répteis Mesosauridae são os mais conhecidos e estudados.
Artur Chahud, Setembrino Petri
doaj +1 more source
Diversity and repertoire of IgW and IgM families in the newborn nurse shark [PDF]
, 2004 Peer ...
Rumfelt, Lynn L +3 more
core +2 more sources
Chondrichthyan systematics in Brazil depicted: historical overview, research trends and future perspectives [PDF]
Neotropical IchthyologyBrazil comprises one of the world’s biodiversity hotspots of the chondrichthyan fauna, currently with 12 orders, 44 families, 90 genera and over 200 species of sharks, batoids, and chimaeras.
Sarah Viana +2 more
doaj +1 more source
Reduction of elasmobranch by-catch in the hake semipelagic near-bottom longline fishery in the Algarve (Southern Portugal) [PDF]
, 2003 Elasmobranch fish, particularly deep-sea sharks, are the most important component of the by-catch of the hake semipelagic near-bottom 'pedra-e-bola' longline fishery in the Algarve (South Portugal) and most of these fish are discarded. The effects of the
Alheit J +25 more
core +1 more source
On the South Atlantic distribution of Callorhinchus callorhynchus (Holocephali: Callorhynchidae) [PDF]
Journal of Applied Ichthyology, 2000 The four species of the family Callorhynchidae are restricted to the southern hemisphere ( Didier 1995) and have the most littoral-related distribution among holocephalans.
López, Hugo Luis +2 more
openaire +2 more sources
First records of Chimaera opalescens (Holocephali: Chimaeriformes: Chimaeridae) from Madeira and north-west African Coast [PDF]
Acta Ichthyologica et Piscatoria, 2017 This study reports new findings of Chimaera opalescens Luchetti, Iglésias et Sellos, 2011, which represent new records of this fish from Madeira and Morocco. The specimens were caught at the depths between 800 and 1221 m.
M. Freitas +5 more
doaj +3 more sources