Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1953 |
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Pagina 239
... front ; tip of snout slightly blunted , projecting a little ; maximum anterior angle in front of spiracles about 115 ° ; anterior margins of pectorals from close behind tip of snout nearly straight or weakly concave abreast of eye and ...
... front ; tip of snout slightly blunted , projecting a little ; maximum anterior angle in front of spiracles about 115 ° ; anterior margins of pectorals from close behind tip of snout nearly straight or weakly concave abreast of eye and ...
Pagina 239
... front ; tip of snout slightly blunted , projecting a little ; maximum anterior angle in front of spiracles about 115 ° ; anterior margins of pectorals from close behind tip of snout nearly straight or weakly concave abreast of eye and ...
... front ; tip of snout slightly blunted , projecting a little ; maximum anterior angle in front of spiracles about 115 ° ; anterior margins of pectorals from close behind tip of snout nearly straight or weakly concave abreast of eye and ...
Pagina 547
... front of occipital canal ; about 12 pores in area bounded by suborbital and joint oral - jugular canals ; about 10 large openings along angular canal to front of snout ; a single row of about 15 small pores descending parallel with oral ...
... front of occipital canal ; about 12 pores in area bounded by suborbital and joint oral - jugular canals ; about 10 large openings along angular canal to front of snout ; a single row of about 15 small pores descending parallel with oral ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
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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 - 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