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
Risultati 1-3 di 75
Pagina 340
... tail , with or without a fold or ridge above ( genus Dasyatis ) . I a . No spine on tail . Key to Genera Urogymnus Müller and Henle 1837.27 Australia , East Indies , Indian Ocean , Red Sea . Ib . Upper surface of tail with a large ...
... tail , with or without a fold or ridge above ( genus Dasyatis ) . I a . No spine on tail . Key to Genera Urogymnus Müller and Henle 1837.27 Australia , East Indies , Indian Ocean , Red Sea . Ib . Upper surface of tail with a large ...
Pagina 345
... tail ; upper surface of tail with a low longitudinal ridge close posterior to spine , or at least arched in cross section ; sides of tail without con- spicuous tubercles . Dasyatis americana Hildebrand and Schroeder 1928 , p . 345 . Iob ...
... tail ; upper surface of tail with a low longitudinal ridge close posterior to spine , or at least arched in cross section ; sides of tail without con- spicuous tubercles . Dasyatis americana Hildebrand and Schroeder 1928 , p . 345 . Iob ...
Pagina 363
... Tail slender , whip - like , somewhat flattened dorsoventrally in advance of tail spines but more rounded posteriorly , with a low keel on either side ; upper surface of tail with a low keel originating a little behind tip of second ...
... Tail slender , whip - like , somewhat flattened dorsoventrally in advance of tail spines but more rounded posteriorly , with a low keel on either side ; upper surface of tail with a low keel originating a little behind tip of second ...
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