Fishes of the Western North Atlantic: LanceletsSears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 71
Pagina 90
... upper margin of caudal ovoid , without lateral marginal teeth , but with 3 longitudinal ridges , the median subdivided posteriorly , forming an ill - defined crest , much as in Hexanchus griseus ( p . 81 ) . Head with dorsal profile ...
... upper margin of caudal ovoid , without lateral marginal teeth , but with 3 longitudinal ridges , the median subdivided posteriorly , forming an ill - defined crest , much as in Hexanchus griseus ( p . 81 ) . Head with dorsal profile ...
Pagina 99
... Upper Cretaceous to Miocene , South America ; Upper Cretaceous to Pliocene , North America , New Zealand ; Upper Cre- taceous , Asia ; Paleocene to Pliocene , Africa ; Miocene , Australia , West Indies . Species . The members of this ...
... Upper Cretaceous to Miocene , South America ; Upper Cretaceous to Pliocene , North America , New Zealand ; Upper Cre- taceous , Asia ; Paleocene to Pliocene , Africa ; Miocene , Australia , West Indies . Species . The members of this ...
Pagina 458
... Upper precaudal pit subrectangular , more or less strongly developed , although some specimens appear to lack it ; no lower pit . Dermal denti- cles loosely spaced and exposing the skin , rising steeply over the trunk as a whole but ...
... Upper precaudal pit subrectangular , more or less strongly developed , although some specimens appear to lack it ; no lower pit . Dermal denti- cles loosely spaced and exposing the skin , rising steeply over the trunk as a whole but ...
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