Fishes of the Western North Atlantic, Edizione 1,Parte 3Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 27
... spiracles present , is represented by two genera : Huso , Lower Pliocene to Recent , with two species ; and Acipenser , Upper Cretaceous to Recent , with about 16 species . Scaphirhynchini ( Shovelnose Sturgeons ) , without spiracles ...
... spiracles present , is represented by two genera : Huso , Lower Pliocene to Recent , with two species ; and Acipenser , Upper Cretaceous to Recent , with about 16 species . Scaphirhynchini ( Shovelnose Sturgeons ) , without spiracles ...
Pagina 28
... Spiracles absent ; snout shovel - shaped , depressed above ; tail depressed and mailed ; gill rakers fan - shaped . 3a . Caudal peduncle completely mailed , and long , with tip of anal fin remote from caudal base ; barbels fringed ...
... Spiracles absent ; snout shovel - shaped , depressed above ; tail depressed and mailed ; gill rakers fan - shaped . 3a . Caudal peduncle completely mailed , and long , with tip of anal fin remote from caudal base ; barbels fringed ...
Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
Text and Footnote References | 105 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John ... Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer anal fin Anchovia Anchoviella anteriorly Atlantic Atlantic Salmon base of caudal base of pelvic body Brazil Bull Canada Capelin caudal fin Caudal peduncle cent of standard Clupea coast color Cuba Cuvier and Valenciennes depth descr diagn diameter dorsal fin Fin rays Florida Fowler genus gill rakers Gulf Gulf of Maine head Hildebrand Hist Jordan and Evermann Lake last ray length of base longest rays lower limb mandible margin maxillary mouth North opercle orig origin of anal Pectoral fin pelvic fin Philad Poey Poiss posterior postorbital pounds Proc Proportional dimensions range reaching refs River Salmon scutes Shad slender spawning species specimens standard length Study Material synon Synonyms and References Tarpon teeth type local U. S. Bur U. S. Comm U. S. Fish Comm U. S. nat USNM usually Valenciennes Ventral scutes Vertebrae Woods Hole young Zool