Fishes of the Western North Atlantic: LanceletsSears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 67
Pagina 82
... cusp and 1 , 2 or 3 lower cusps on each side , 12 the next 6 ( occasion- ally 5 ) teeth trapezoid , about twice as broad as high , with 7 to 8 pointed cusps in small specimens , increasing in number to 8 to 10 in large , the innermost cusp ...
... cusp and 1 , 2 or 3 lower cusps on each side , 12 the next 6 ( occasion- ally 5 ) teeth trapezoid , about twice as broad as high , with 7 to 8 pointed cusps in small specimens , increasing in number to 8 to 10 in large , the innermost cusp ...
Pagina 309
... cusps , and he so pictures them , whereas those of Triaenodon have one or two lateral cusps on each side of the longer median cusp , this being a family characteristic . 3. According to Müller and Henle ( Plagiost . , 1841 : 33 ) it was ...
... cusps , and he so pictures them , whereas those of Triaenodon have one or two lateral cusps on each side of the longer median cusp , this being a family characteristic . 3. According to Müller and Henle ( Plagiost . , 1841 : 33 ) it was ...
Pagina 450
... cusp ; uppers and lowers unlike , the former narrow , raptorial , the latter expanded widely laterally as a cutting edge ( sectorial ) . Dalatiidae , p . 499 . 2b . Teeth with several cusps , uppers and lowers similar , sectorial ...
... cusp ; uppers and lowers unlike , the former narrow , raptorial , the latter expanded widely laterally as a cutting edge ( sectorial ) . Dalatiidae , p . 499 . 2b . Teeth with several cusps , uppers and lowers similar , sectorial ...
Sommario
LANCELETS BY HENRY B BIGELOW and ISABEL PÉREZ FARFANTE I | 1 |
CYCLOSTOMES BY HENRY B BIGELOW and WILLIAM C SCHROEDER | 29 |
SHARKS BY HENRY B BIGELOW and WILLIAM C SCHROEDER | 59 |
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Parole e frasi comuni
1st dorsal 2nd dorsal Acad Amer anal Anal fin atriopore Aust biol Brazil Brit Bull Carcharhinus Carcharias Carolina Caudal fin caudal peduncle coast Comp concave convex Copeia corner of mouth Cuba cusps Dermal denticles descr diameter of eye distal margin distrib dorsal fin embryos Fauna feet female Fish Florida Fowler front of mouth Garman genus gill opening Gulf of Maine Harv Hist horizontal diameter inner corner inner margin Interspace Jersey labial furrow length in front length of base Linnaeus lobe long as base lower teeth Medit Müller and Henle myotomes North nostrils origin of pectoral outer margin ovoviviparous Pectoral fin Philad Poey Poiss posterior margin precaudal pit Proc Rafinesque refs ridges Second dorsal Shark snout in front specimens spiracles Squalus Stewart Springer total length type species U.S. Bur U.S. Comm U.S. nat upper tooth vertical height Woods Hole Zool zygaena