Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1953 |
Dall'interno del libro
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Pagina 459
... wide and two or three others that were more than seven feet wide , the largest being a female 7 feet 7 inches wide . Their thick bodies make Spotted Duck - billed Rays heavier than either the dasyatids or the Butterfly Rays at ...
... wide and two or three others that were more than seven feet wide , the largest being a female 7 feet 7 inches wide . Their thick bodies make Spotted Duck - billed Rays heavier than either the dasyatids or the Butterfly Rays at ...
Pagina 472
... wide transversely as those of next series outward and 3-5 times as wide as those of outermost series ; transverse breadths of teeth of all series about the same in oldest rows as in youngest ; some specimens with teeth of all series ...
... wide transversely as those of next series outward and 3-5 times as wide as those of outermost series ; transverse breadths of teeth of all series about the same in oldest rows as in youngest ; some specimens with teeth of all series ...
Pagina 508
... wide was reported recently off the mouth of the Mississippi , 147 one 21 feet 2 inches wide off New Jersey ( see Study Material , p . 502 ) , and one 22 feet wide and 17 feet long , evidently with tail damaged , was killed near Bimini ...
... wide was reported recently off the mouth of the Mississippi , 147 one 21 feet 2 inches wide off New Jersey ( see Study Material , p . 502 ) , and one 22 feet wide and 17 feet long , evidently with tail damaged , was killed near Bimini ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
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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 - 1948 |
Parole e frasi comuni
Acad Amer axils of pectorals batoids Bigelow and Schroeder biol Brazil breadth 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 Jersey Jordan Lacépède length of base Linnaeus listed lobe long as distance Lower surface mature males Müller and Henle Narcine nasal curtain pectoral fins pelvic fins Philad Poiss posterior margin prickles Proc Raja rearward Rio de Janeiro rostral rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse Trygon type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool