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 13
... developed dorsal fins , the first originating much nearer to tips of pelvics than to tip of tail ; a well developed caudal fin ; pelvics with the outer margins convex , or at least not notched ; their unpaired fins , like those of the ...
... developed dorsal fins , the first originating much nearer to tips of pelvics than to tip of tail ; a well developed caudal fin ; pelvics with the outer margins convex , or at least not notched ; their unpaired fins , like those of the ...
Pagina 17
... develop- ment , however , for its only counterpart in the entire vertebrate series is the similar structure developed by the Saw Sharks ( Pristiophoroidea ) . Development . Ovoviviparous ; in at least one species there are several ...
... develop- ment , however , for its only counterpart in the entire vertebrate series is the similar structure developed by the Saw Sharks ( Pristiophoroidea ) . Development . Ovoviviparous ; in at least one species there are several ...
Pagina 66
... developed folds on the posterior margin of each spiracle ; 51 from R. glaucostigmus Jordan and Gilbert 1883 and from ... developed ( Fig . 14 C ) . Developmental Stages . As noted above , the characteristic color pattern may be developed ...
... developed folds on the posterior margin of each spiracle ; 51 from R. glaucostigmus Jordan and Gilbert 1883 and from ... developed ( Fig . 14 C ) . Developmental Stages . As noted above , the characteristic color pattern may be developed ...
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 Anteprima non disponibile - 1948 |
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