Fishes of the Western North Atlantic, Edizione 1,Parte 1John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 30
... separate from anus . Development oviparous , with or without a definite larval stage ; the sexes separate or not . The Cyclostomes are generally considered the most primitive of true vertebrates ; structurally they are the simplest ...
... separate from anus . Development oviparous , with or without a definite larval stage ; the sexes separate or not . The Cyclostomes are generally considered the most primitive of true vertebrates ; structurally they are the simplest ...
Pagina 43
... separately to the exterior , but open inwardly into a special respiratory tube which is separate from the pharynx and which ends blind , posteriorly ; however , this respiratory tube connects with the mouth anteriorly . At the time of ...
... separately to the exterior , but open inwardly into a special respiratory tube which is separate from the pharynx and which ends blind , posteriorly ; however , this respiratory tube connects with the mouth anteriorly . At the time of ...
Pagina 532
... separate from mouth ; eye without nictitating fold or membrane ; spiracles present ; inner margins of pelvics entirely separate posterior to cloaca ; vertebral column completely segmented , with well developed centra , the notochord ...
... separate from mouth ; eye without nictitating fold or membrane ; spiracles present ; inner margins of pelvics entirely separate posterior to cloaca ; vertebral column completely segmented , with well developed centra , the notochord ...
Sommario
LANCELETS BY HENRY B BIGELOW and Isabel Pérez Farfante I | 1 |
Suborder Notidanoidea | 77 |
Suborder Chlamydoselachoidea | 93 |
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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
1st dorsal 2nd dorsal Acad Amer anal Anal fin apex atriopore Aust biol Brazil Brit broadly rounded 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 vertical height Woods Hole Zool zygaena