Fishes of the WorldWiley, 1984 - 523 strán (strany) |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 3 z 53.
Strana 37
... plate broad ( extending width of esophageal opening ) , with enlarged cusp at either end ( one or more small intermediate cusps may be present ) ; no regularly arranged curvi- linear rows of teeth throughout entire oral disc . Lampetra ...
... plate broad ( extending width of esophageal opening ) , with enlarged cusp at either end ( one or more small intermediate cusps may be present ) ; no regularly arranged curvi- linear rows of teeth throughout entire oral disc . Lampetra ...
Strana 139
... plates ; maxilla rudimentary ( except in Diplomystidae ) , supporting a barbel ; principal caudal fin rays 18 or fewer ( most with 17 ) ; caudal skeleton varying between having six separate hypural plates to complete fusion of caudal ...
... plates ; maxilla rudimentary ( except in Diplomystidae ) , supporting a barbel ; principal caudal fin rays 18 or fewer ( most with 17 ) ; caudal skeleton varying between having six separate hypural plates to complete fusion of caudal ...
Strana 251
... plates which are expansions of the vertebral column ; first dorsal spine long and sharp at extreme end of body , followed by two shorter spines ; soft dorsal fin and caudal fin dis- placed ventrally ; no lateral line ; mouth toothless ...
... plates which are expansions of the vertebral column ; first dorsal spine long and sharp at extreme end of body , followed by two shorter spines ; soft dorsal fin and caudal fin dis- placed ventrally ; no lateral line ; mouth toothless ...
Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
+Class Placodermi | 40 |
Autorské práva | |
7 zvyšných častí nezobrazených
Časté výrazy a frázy
absent adipose fin adults Africa anal fin areas Atlantic Australia barbels body bone brackish branchiostegal rays Bull catfishes caudal fin characters CIRCLE classification closely continuous derived developed Distribution dorsal and anal dorsal fin eastern eels eight elongate extending eyes Family fin present fin rays fishes five fossil four fresh Freshwater genera e.g. genus gill openings given gives Greenwood head Indian known lack lateral line least living lower Marine maxilla Maximum length mouth nine North northern occur oceans Order organ origin Pacific pairs pectoral fin pelvic fins placed plates present primarily primitive probably rarely recognized region relationships relatively Rosen scales seas separate seven short side similar single Smith snout soft rays South America southern species spines SUBFAMILY Suborder swim bladder tail teeth teleosts Three genera TRIBE tropical usually vertebrae western Zealand