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
... 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 pelvics ...
... 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 pelvics ...
Pagina 22
... lobe . 2a . Origin of first dorsal posterior to origin of pelvics ; subcaudal lobe prominent . cuspidatus Latham 1794 . Southeastern Asia , East Indies , Ceylon , and India to Red Sea . 2 b . Origin of first dorsal considerably anterior ...
... lobe . 2a . Origin of first dorsal posterior to origin of pelvics ; subcaudal lobe prominent . cuspidatus Latham 1794 . Southeastern Asia , East Indies , Ceylon , and India to Red Sea . 2 b . Origin of first dorsal considerably anterior ...
Pagina 335
... lobe extending forward below front of head , or two such lobes joined together basally ; teeth large , in few series . 6a . A single subrostral lobe or fin ( Fig . 102 ) . Myliobatidae , p . 433 . 6b . A pair of subrostral lobes or fins ...
... lobe extending forward below front of head , or two such lobes joined together basally ; teeth large , in few series . 6a . A single subrostral lobe or fin ( Fig . 102 ) . Myliobatidae , p . 433 . 6b . A pair of subrostral lobes or fins ...
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