Fishes of the WorldWiley, 1984 - 523 strani |
Iz vsebine knjige
Zadetki 1–3 od 82
Stran 189
... dorsal and anal fins ; cycloid scales ; premaxilla forms the entire margin of upper jaw , protractile in some ; ectopterygoid toothless ; orbitosphenoid and bas- isphenoid absent ; branchiostegal rays 5–8 ; posterior vertebral reduction ...
... dorsal and anal fins ; cycloid scales ; premaxilla forms the entire margin of upper jaw , protractile in some ; ectopterygoid toothless ; orbitosphenoid and bas- isphenoid absent ; branchiostegal rays 5–8 ; posterior vertebral reduction ...
Stran 231
... dorsal and anal fins opposite one another ; pelvic fins jugular , 4-10 rays ; 3-5 branchiostegal rays . The first specimen of this group was collected in 1911. Bertelsen and Marshall ( 1956 ) placed the two families in a new order ...
... dorsal and anal fins opposite one another ; pelvic fins jugular , 4-10 rays ; 3-5 branchiostegal rays . The first specimen of this group was collected in 1911. Bertelsen and Marshall ( 1956 ) placed the two families in a new order ...
Stran 306
... dorsal fin in posterior half of body , without spines ; anal fin long , with one spine ; dorsal and anal fins covered with scales ; premaxillae and maxillae bordering mouth ; usually 31 vertebrae ( 10 + 21 ) . Berg ( 1940 ) placed this ...
... dorsal fin in posterior half of body , without spines ; anal fin long , with one spine ; dorsal and anal fins covered with scales ; premaxillae and maxillae bordering mouth ; usually 31 vertebrae ( 10 + 21 ) . Berg ( 1940 ) placed this ...
Vsebina
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
+Class Placodermi | 40 |
Avtorske pravice | |
7 preostalih delov ni prikazanih
Pogosti izrazi in povedi
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