Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1953 |
Dall'interno del libro
Risultati 1-3 di 79
Pagina 59
... Upper origin of caudal a little anterior to lower ; upper margin weakly convex , about 1-1.5 times as long as interspace between dorsals ; lower posterior contour well rounded , without distinct lower lobe ; height of caudal above ...
... Upper origin of caudal a little anterior to lower ; upper margin weakly convex , about 1-1.5 times as long as interspace between dorsals ; lower posterior contour well rounded , without distinct lower lobe ; height of caudal above ...
Pagina 65
... upper jaw and seven to nine in lower in large specimens . First and second dorsals approximately equal in size ... upper origin of caudal about 1.3 times as long as base of second dorsal . Caudal with upper origin a little anterior to ...
... upper jaw and seven to nine in lower in large specimens . First and second dorsals approximately equal in size ... upper origin of caudal about 1.3 times as long as base of second dorsal . Caudal with upper origin a little anterior to ...
Pagina 381
... Upper left - hand tooth band of same , about 1.6 × . E Upper right - hand tooth band of female , 991 mm wide , from Rio de Janeiro , Brazil ( Harv . Mus . Comp . Zool . , No. 991 ) , about 1.3X . 5.5-6 % as great as its total length ...
... Upper left - hand tooth band of same , about 1.6 × . E Upper right - hand tooth band of female , 991 mm wide , from Rio de Janeiro , Brazil ( Harv . Mus . Comp . Zool . , No. 991 ) , about 1.3X . 5.5-6 % as great as its total length ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
10 sezioni non visualizzate
Altre edizioni - Visualizza tutto
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 - 1948 |
Parole e frasi comuni
Acad Amer axils of pectorals batoids Bigelow and Schroeder biol Brazil breadth 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 Jersey Jordan Lacépède length of base Linnaeus listed lobe long as distance Lower surface mature males Müller and Henle Narcine nasal curtain pectoral fins pelvic fins Philad Poiss posterior margin prickles Proc Raja rearward Rio de Janeiro rostral rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse Trygon type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool