Results 101 to 110 of about 1,736 (188)
Taxonomy is the practice of identifying different organisms, classifying them into categories and naming them. The whole life (living or extinct) of the world are classified into distinct groups with other similar organisms and given a scientific name ...
Bharti, Vivekanand
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Sharks of the order Carcharhiniformes from the British Coniacian, Santonian and Campanian (Upper Cretaceous). [PDF]
Bulk sampling of phosphate-rich horizons within the British Coniacian to Campanian (Upper Cretaceous) yielded very large samples of shark and ray teeth.
AGASSIZ L. J. R. +55 more
core +1 more source
Most vertebrates, including cartilaginous fishes, maintain their plasma SO4 (2-) concentration ([SO4 (2-)]) within a narrow range of 0.2-1 mM. As seawater has a [SO4 (2-)] about 40 times higher than that of the plasma, SO4 (2-) excretion is the major ...
Bell, Justin D. +8 more
core +1 more source
Recovery at Morvin: SERPENT final report [PDF]
Recovery from disturbance is poorly understood in deep water, but the extent of anthropogenic impacts is becoming increasingly well documented. We used Remotely Operated Vehicles (ROV) to visually assess the change in benthic habitat after exploratory ...
Gates, A.R., Jones, D.O.B.
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New records of fishes from Guadalupe Island, northwest Mexico [PDF]
The icthyofauna from Guadalupe Island, Mexico, has been scarcely studied. This paper presents additions to the systematic checklist of fishes from that oceanic island, and is based on data obtained from museums, field records and international databases.
Ayala-Bocos, Arturo +3 more
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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
Carlos Bustamante +5 more
doaj
The diversity of chondrychthyans in Mexico is described. The fauna is composed by 214 species (111 sharks, 95 rays and 8 chimaeras) and represents 17.3 % of the total number of species recorded worldwide. The families with the highest diversity comprise: Rajidae (14.5 %), Carcharhinidae (12.1 %), Pentanchidae, Triakidae, and Urotrygonidae (5.1 %).
Del Moral Flores, Luis Fernando +3 more
openaire +2 more sources
Contribution à la connaissance de la faune ichthyologique des phosphates du Maroc [PDF]
Fifteen new forms are described from the phosphate beds of Ouled Abdoun, Morocco. They have permitted refinement of C. Arambourg’s proposed stratigraphic correlation with the Anglo-Franco Belgian basin.
Herman, J.S.
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