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Pagina 18
Characters otherwise those of the order . ... Whitley mentions , as characters
distinguishing this genus from Asymmetron , only that it is larger , with the origin
and termination of the dorsal fin farther forward in relation to the myotomes . 36.
Characters otherwise those of the order . ... Whitley mentions , as characters
distinguishing this genus from Asymmetron , only that it is larger , with the origin
and termination of the dorsal fin farther forward in relation to the myotomes . 36.
Pagina 98
Family CARCHARIIDAE Sand Sharks Characters . Two dorsal fins , the ist much
shorter than caudal , the rear end of its base over or anterior to origin of pelvics ;
caudal not more than 13 of total length , not lunate , its lower anterior corner ...
Family CARCHARIIDAE Sand Sharks Characters . Two dorsal fins , the ist much
shorter than caudal , the rear end of its base over or anterior to origin of pelvics ;
caudal not more than 13 of total length , not lunate , its lower anterior corner ...
Pagina 196
Generic characters in so uniform a family must be based on definitely alternative
and easily discernible characters to be of any value to working ichthyologists .
For instance , one group of some nine recognizable species is set apart from all ...
Generic characters in so uniform a family must be based on definitely alternative
and easily discernible characters to be of any value to working ichthyologists .
For instance , one group of some nine recognizable species is set apart from all ...
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Sommario
LANCELETS BY HENRY B BIGELOW and ISABEL PÉREZ FARFANTE | 1 |
Branchiostoma platae | 12 |
CYCLOSTOMES BY HENRY B BIGELOW and WilLIAM C SCHROEDER | 29 |
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Altre edizioni - Visualizza tutto
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione frammento - 1948 |
Fishes of the Western North Atlantic, Edizione 1,Parte 3 John Tee-Van Visualizzazione frammento - 1948 |
Parole e frasi comuni
2nd dorsal abund Acad Amer anal appears Atlantic base Bermuda biol breadth Brit broad Bull Carcharias caudal Characters close coast Comp concave considerably Copeia corner Cuba cusps descr developed distance dorsal fin edges embryos Fauna feet female Fish Florida Fowler front of mouth furrow genus gill openings Gulf habits Harv head Hist ident inner Island Jersey Jordan known larger latter least length less listed lobe longer lower male margin moderately mouth nearly North nostrils origin outer pectoral pelvics Philad Poiss posterior probably Proc range rear record References refs relatively reported ridges rounded seen separate Shark side slightly snout South southern species specimens Squalus Stewart Springer taken teeth tooth total length Trunk U.S. Comm U.S. nat upper vertical height West western Woods Hole York Zool