Fishes of the World |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 3 z 63.
Strana 43
It is considered unlikely that they had separate origins among the placoderms as
has been previously suggested . Indeed , there are hyostylic , operculate
chondrichthyans ( Petalodontiformes ) which appear to be evolutionary
intermediates of ...
It is considered unlikely that they had separate origins among the placoderms as
has been previously suggested . Indeed , there are hyostylic , operculate
chondrichthyans ( Petalodontiformes ) which appear to be evolutionary
intermediates of ...
Strana 97
I recognize the greater divergence of albulids by placing them in a separate
suborder from the elopids and megalopids . Although I agree that elopids and
megalopids are closely related , placement of them in the same family ( as in
Bailey et ...
I recognize the greater divergence of albulids by placing them in a separate
suborder from the elopids and megalopids . Although I agree that elopids and
megalopids are closely related , placement of them in the same family ( as in
Bailey et ...
Strana 197
Unlike Cohen and Nielsen ( 1978 ) , who I follow here , Trott ( 1981 ) places the
one species of parasitic carapid with pectoral fins in its own genus , Jordanicus (
rather than in a separate subgenus ) . SUBFAMILY PYRAMODONTINAE ...
Unlike Cohen and Nielsen ( 1978 ) , who I follow here , Trott ( 1981 ) places the
one species of parasitic carapid with pectoral fins in its own genus , Jordanicus (
rather than in a separate subgenus ) . SUBFAMILY PYRAMODONTINAE ...
Čo hovoria ostatní - Napísať recenziu
Na obvyklých miestach sme nenašli žiadne recenzie.
Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
4 zvyšných častí nezobrazených
Iné vydania - Zobraziť všetky
Časté výrazy a frázy
absent adipose fin adults Africa anal fin ANTARCTIC ARCTIC areas Atlantic Australia barbels body bone brackish branched branchiostegal rays Bull CAPRICORN caudal fin characters CIRCLE classification closely compressed continuous cycloid derived developed Distribution dorsal and anal dorsal fin eastern eight elongate EQUATOR extending eyes Family fin rays fishes five fossil four freshwater genera e.g. genus gill openings given gives head Indian known lack lateral line living lower Marine maxilla Maximum length mouth nine North 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 snout soft rays South America southern species spines SUBFAMILY Suborder swim bladder tail teeth teleosts Three genera TRIBE tropical usually vertebrae western Zealand Zool