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 21
... lower lobe or not . This distinction is used , in fact , as the basis for subgeneric separation in the most recent synopsis of the Sawfishes of the western Pacific - Indian Ocean.57 The positions of the first dorsal relative to the ...
... lower lobe or not . This distinction is used , in fact , as the basis for subgeneric separation in the most recent synopsis of the Sawfishes of the western Pacific - Indian Ocean.57 The positions of the first dorsal relative to the ...
Pagina 340
... lower surface of the 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 ...
... lower surface of the 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 ...
Pagina 457
... lower jaw bowed forward centrally . Roof of mouth with a transverse row of six or seven short blunt papillae close behind line of emergence of upper dental plate ; margin of transverse curtain fringed ; floor of mouth with about six ...
... lower jaw bowed forward centrally . Roof of mouth with a transverse row of six or seven short blunt papillae close behind line of emergence of upper dental plate ; margin of transverse curtain fringed ; floor of mouth with about six ...
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