Fishes of the World |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 3 z 51.
Strana 34
These fishes had a large number of branchial openings , lacked paired fins , and
may have had a hypocercal tail . Their affinities are uncertain . Many genera have
been described ( e . g . , Duyunaspis and Polybranchiaspis ) . Lower and ...
These fishes had a large number of branchial openings , lacked paired fins , and
may have had a hypocercal tail . Their affinities are uncertain . Many genera have
been described ( e . g . , Duyunaspis and Polybranchiaspis ) . Lower and ...
Strana 38
This species retains a distinct hypocercal tail , has rays in the anal fin , and
appears to lack an oral sucker . The number of gill openings cannot be
determined . Phylogenetically , it is thought to belong between Mayomyzon and
Jaymoytius .
This species retains a distinct hypocercal tail , has rays in the anal fin , and
appears to lack an oral sucker . The number of gill openings cannot be
determined . Phylogenetically , it is thought to belong between Mayomyzon and
Jaymoytius .
Strana 79
In many primitive palaeoniscids the cheekbones form a solid unit ( the maxilla ,
preopercles , and suborbitals are firmly united ) , the hyomandibular is oblique ,
the eyes are large and far forward , and the tail is strongly heterocercal .
In many primitive palaeoniscids the cheekbones form a solid unit ( the maxilla ,
preopercles , and suborbitals are firmly united ) , the hyomandibular is oblique ,
the eyes are large and far forward , and the tail is strongly heterocercal .
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Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
4 zvyšných častí nezobrazených
Iné vydania - Zobraziť všetky
Časté výrazy a frázy
40 TROPIC 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 usually vertebrae western Zealand
Bibliografické informácie
| Názov | Fishes of the World A Wiley-Interscience publication |
| Autor | Joseph S. Nelson |
| Vydanie | 2, ilustrované |
| Vydavateľ | Wiley, 1984 |
| Zdroj originálu: | Michiganská univerzita |
| Digitalizované | 25. feb. 2010 |
| Kód ISBN | 0471864757, 9780471864752 |
| Dĺžka | 523 strán (strany) |
| Exportovať citáciu | BiBTeX EndNote RefMan |