Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
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Pagina 54
... Western South Atlantic , and Tropical West African Species 1a . Anterior nasal flap extending across inner ( anterior ) margin of nostril as far as level of inner end of nostril ( Fig . 12 A ) ; rostral ridges separated by a ...
... Western South Atlantic , and Tropical West African Species 1a . Anterior nasal flap extending across inner ( anterior ) margin of nostril as far as level of inner end of nostril ( Fig . 12 A ) ; rostral ridges separated by a ...
Pagina 199
... west coast of Norway at 250-285 meters , was smooth - shelled and black , 40 mm long ( exclusive of horns ) by 24 mm ... west of Iceland , and Davis Strait off West Greenland ; south in the east to the southern part of the Norwegian ...
... west coast of Norway at 250-285 meters , was smooth - shelled and black , 40 mm long ( exclusive of horns ) by 24 mm ... west of Iceland , and Davis Strait off West Greenland ; south in the east to the southern part of the Norwegian ...
Pagina 212
... West Greenland waters , in the Barents Sea , and in the Norwegian Basin from midsummer to early autumn in temperatures ranging from 0.5-1.1 ° C and through the general depth range where the species occurs . Range . Arctic waters ...
... West Greenland waters , in the Barents Sea , and in the Norwegian Basin from midsummer to early autumn in temperatures ranging from 0.5-1.1 ° C and through the general depth range where the species occurs . Range . Arctic waters ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Genus Zapteryx | 74 |
Suborder Myliobatoidea | 331 |
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Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Parole e frasi comuni
Acad Amer batoids Bigelow and Schroeder biol Brazil breadth Breder Bull Carolina cartilage caudal fin center of cloaca Chesapeake Bay claspers Coast color Comp concave Copeia Dasyatis Dermal denticles descr distance between inner dorsal fin embryos Evermann exposed nostrils eyes fathoms female Florida Fowler front of mouth front of orbits Garman genus gill openings Gulf Gulf of Maine Harv Hist inner ends Interspace Jersey Jordan Lacépède length of base listed lobe long as distance Lower surface mature males median Müller and Henle nasal curtain pelvic fins Philad Poiss posterior margin prickles Proc Raja Rays rearward Rio de Janeiro rostral rostral cartilage rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool