Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 27
... base of saw as toward tip but with the decrease in spacing somewhat irregular ; 65 the basal pair separated from the apparent level of emergence of the saw by a distance about as great as length of orbit . Individual teeth shortest but ...
... base of saw as toward tip but with the decrease in spacing somewhat irregular ; 65 the basal pair separated from the apparent level of emergence of the saw by a distance about as great as length of orbit . Individual teeth shortest but ...
Pagina 38
... base of saw to origin of caudal ; dorsal profile about as convex as in P. pectinatus , but lateral outlines narrowing more abruptly to base of saw ( cf. Fig . 6 E with 4 F ) . Orbit about as long as spiracle ; distance from anterior ...
... base of saw to origin of caudal ; dorsal profile about as convex as in P. pectinatus , but lateral outlines narrowing more abruptly to base of saw ( cf. Fig . 6 E with 4 F ) . Orbit about as long as spiracle ; distance from anterior ...
Pagina 93
... base extends rearward well beyond the pelvic bases.54 Among these , T. marmorata of the eastern Atlantic and Mediter- ranean is recognizable by the prominent papillae that surround its spiracles ; T. torpedo , also of the eastern ...
... base extends rearward well beyond the pelvic bases.54 Among these , T. marmorata of the eastern Atlantic and Mediter- ranean is recognizable by the prominent papillae that surround its spiracles ; T. torpedo , also of the eastern ...
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