A new species of Paraberrapex Jensen, 2001 (Cestoda: Lecanicephalidea) from Squatina guggenheim Marini (Squatiniformes: Squatinidae) off Argentina [PDF]
Paraberrapex atlanticus sp. n. (Cestoda, Lecanicephalidea) is described from the spiral intestine of the angel shark Squatina guggenheim Marini from coastal waters off Buenos Aires Province, Argentina. Paraberrapex atlanticus sp. n.
Ivanov, Veronica Adriana +1 more
core +1 more source
Arqueofauna do Sítio Piracanjuba, Piraju-SP
O objetivo deste trabalho foi analisar a subsistência dos Guaranis da região de Piraju-SP, pelo estudo dos vestígios faunísticos do Sítio Piracanjuba.
Manoel Mateus Bueno Gonzalez +2 more
doaj +1 more source
Primer registro de anisakis sp. (nematoda, anisakidae) l3 en la cavidad corporal deatlantoraja platana (chondrichthyes, rajidae) [PDF]
En la presente nota se registra por primera vez el tercer estadio larval de Anisakis sp. infectando a Atlantoraja platana (Günther, 1880). Los hospederos fueron obtenidos en desembarques pesqueros de plantas de procesado de los puertos de San Antonio ...
Di Giacomo, Edgardo Ernesto +3 more
core +1 more source
Los Rajiformes (Chondrichthyes, Batomorphii) del Plioceno inferior de la Formación Arenas de Huelva, suroeste de España [PDF]
EL Neógeno marino del suroeste de España ha sido objeto de numerosos estudios, su contenido fosilífero ha sido objeto de numerosos trabajos, abordando diferentes grupos como malacofauna (Andrés, 1982; González-Delgado, 1983), foraminíferos (Sierro, 1984;
Abad,Manuel +7 more
core +1 more source
Diet composition of fish species from the southern continental shelf of Colombia [PDF]
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core
Chamber specific expression of Myosin heavy chain 7b in the heart of vertebrates [PDF]
In extant vertebrates, myosin heavy chain (MyHC) 6 and 7 are the main isoforms of atrial and ventricular myocardium respectively, whereas MyHC7b has been proposed to be an ancient cardiac isoform only expressed during embryonic development in modern ...
Durán-Boyero, Ana Carmen +3 more
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The presence of the Plesiotrygon iwamae (Chondrichthyes: Potamotrygonidae) in Colombia is confirmed, based on a male specimen collected in the Amazon River and must be alert about their conservation status in the Amazon region.
Carlos A. Lasso +2 more
doaj +1 more source
The mitogenomic phylogeny of the Elasmobranchii (Chondrichthyes)
Here we present a mitogenomic perspective on the evolution of sharks and rays, being a first glance on the complete mitochondrial history of such an old and diversified group of vertebrates. The Elasmobranchii is a diverse subclass of Chondrichthyes, or cartilaginous fish, with about 1200 species of ocean- and freshwater-dwelling fishes spread all over
Amaral, Cesar R. L. +4 more
openaire +3 more sources
Eine Lagerstätte kreidezeitlicher und paläogener Chondrichthyes-Reste bei Fürstenau (Niedersachsen) [PDF]
Aus einer durch Glaziotektonik verstellten Kiesbank innerhalb einer Folge mariner Sedimente bei Fürstenau wird eine 49 Arten umfassende Liste von Chondrichthyes genannt.
von der Hocht, Fritz
core
The Global Threat to Manta and Mobula Rays [PDF]
Manta and mobula rays span the tropics of the world and are among the most captivating and charismatic of marine species. However, their survival is severely threatened by growing fisheries pressure driven by demand for the gill rakers that the animals ...
Shawn Heinrichs
core

