Fishes of the WorldWiley, 1984 - 523 strán (strany) |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 3 z 92.
Strana 8
... CLASSIFICATION AND SYSTEMATICS Classification is the practice of arranging items into groups or categories , and a classification is the arrangement which results . Taxa ( singular taxon ) are groups of organisms recognized in a ...
... CLASSIFICATION AND SYSTEMATICS Classification is the practice of arranging items into groups or categories , and a classification is the arrangement which results . Taxa ( singular taxon ) are groups of organisms recognized in a ...
Strana 9
... classification there is also much disagreement . This is true even among those following the same philosophical approach to classification . Numerous families of fishes are very poorly classified . Students of ichthyology should know ...
... classification there is also much disagreement . This is true even among those following the same philosophical approach to classification . Numerous families of fishes are very poorly classified . Students of ichthyology should know ...
Strana 11
... classification is based on a synthesis of knowledge concerning both the genealogical relationships and the perceived degree of evolutionary or genetic similar- ity or divergence from other groups . Taxa may be holophyletic or para ...
... classification is based on a synthesis of knowledge concerning both the genealogical relationships and the perceived degree of evolutionary or genetic similar- ity or divergence from other groups . Taxa may be holophyletic or para ...
Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
4 zvyšných častí nezobrazených
Časté výrazy a frázy
120 ARCTIC CIRCLE 40 TROPIC adipose fin Africa anal fin anal fin rays ANTARCTIC CIRCLE ANTARCTIC CIRCLE 60 Australia barbels Body elongate bone branchiostegal rays Bull catfishes caudal fin cladistic classification Copeia ctenoid dorsal and anal dorsal fin dorsal fin rays EQUATOR 0 20 eyes Family fin absent fin base fin spines fin usually fin with three fishes five soft rays fossil Four genera four species fresh water freshwater genera genera e.g. genus gill openings Gosline Greenwood Indian Indo-Pacific Indo-West Pacific known lateral line lateral line scales lower jaw Marine maxilla Maximum length mouth North oceans Order Ostariophysi pectoral fin pelvic fins Perciformes Pisces premaxilla protractile recognized Rosen snout soft rays South America southern spine and five spinous Springer SUBFAMILY Suborder Superfamily Superorder swim bladder teeth Three genera three species three spines TRIBE TROPIC OF CANCER TROPIC OF CAPRICORN upper jaw ventral vertebrae Zealand Zool