Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John Tee-Van [and Others]Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 18
... Characters otherwise those of the order . * Genera . The family includes two well defined genera : in Epigonichthys the caudal fin does not extend as a long narrow process , and the oral tentacles are united , one to the next , by a ...
... Characters otherwise those of the order . * Genera . The family includes two well defined genera : in Epigonichthys the caudal fin does not extend as a long narrow process , and the oral tentacles are united , one to the next , by a ...
Pagina 196
... 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 ...
... 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 ...
Pagina 526
... Characters . Squaloidea without dorsal fin spines , the teeth with several cusps and similar in the two jaws . Genera . One genus , Echinorhinus . It is doubtful whether the characters forming the basis for the subgenus Rubusqualus ...
... Characters . Squaloidea without dorsal fin spines , the teeth with several cusps and similar in the two jaws . Genera . One genus , Echinorhinus . It is doubtful whether the characters forming the basis for the subgenus Rubusqualus ...
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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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Parole e frasi comuni
1/2 as long 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 lobe long as base lower teeth Medit Müller and Henle myotomes North nostrils origin of pectoral outer margin ovoviviparous Pectoral fin Philad Poey Poiss 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