Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 71
Pagina 36
... edge nearly straight , distal edge about 1.1-1.2 times as long as anterior edge and weakly concave ; outer corners narrowly rounded ; posterior corners subangular . Extreme breadth across pectorals about as great as distance from mouth ...
... edge nearly straight , distal edge about 1.1-1.2 times as long as anterior edge and weakly concave ; outer corners narrowly rounded ; posterior corners subangular . Extreme breadth across pectorals about as great as distance from mouth ...
Pagina 506
... edge uppermost , about 5.7 X. B Teeth from same , to larger scale , about 17X . C Lateral view ( below ) and posterior view ( above ) of tooth , about 17X . D Dermal denticles , dorsal surface , with anterior ends uppermost , about 12 X ...
... edge uppermost , about 5.7 X. B Teeth from same , to larger scale , about 17X . C Lateral view ( below ) and posterior view ( above ) of tooth , about 17X . D Dermal denticles , dorsal surface , with anterior ends uppermost , about 12 X ...
Pagina 554
... edge to rear edge of upper lip about twice as great as its own length . Width of mouth , when closed , about 2/3 as great as length of eye . Tongue with a few fleshy swellings and many smaller papillae of various sizes . Dental plates ...
... edge to rear edge of upper lip about twice as great as its own length . Width of mouth , when closed , about 2/3 as great as length of eye . Tongue with a few fleshy swellings and many smaller papillae of various sizes . Dental plates ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Genus Zapteryx | 74 |
Suborder Myliobatoidea | 331 |
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Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Parole e frasi comuni
Acad Amer batoids Bigelow and Schroeder biol Brazil breadth Breder Bull Carolina cartilage caudal fin center of cloaca Chesapeake Bay claspers Coast color Comp concave Copeia Dasyatis Dermal denticles descr distance between inner dorsal fin embryos Evermann exposed nostrils eyes fathoms female Florida Fowler front of mouth front of orbits Garman genus gill openings Gulf Gulf of Maine Harv Hist inner ends Interspace Jersey Jordan Lacépède length of base listed lobe long as distance Lower surface mature males median Müller and Henle nasal curtain pelvic fins Philad Poiss posterior margin prickles Proc Raja Rays rearward Rio de Janeiro rostral rostral cartilage rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool