Fishes of the WorldWiley, 1984 - 523 strani |
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Zadetki 1–3 od 53
Stran 38
... 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 Jaymoy- tius . Other possible fossil cyclostomes ...
... 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 Jaymoy- tius . Other possible fossil cyclostomes ...
Stran 61
... Tail and dorsal and caudal fins well developed . One genus , Torpedo , with about 13 species . TRIBE HYPNINI . Tail and dorsal and caudal fins very small . One Australian species , Hypnos subnigrum . SUBFAMILY NARCININAE . Disc rounded ...
... Tail and dorsal and caudal fins well developed . One genus , Torpedo , with about 13 species . TRIBE HYPNINI . Tail and dorsal and caudal fins very small . One Australian species , Hypnos subnigrum . SUBFAMILY NARCININAE . Disc rounded ...
Stran 79
... tail is strongly heterocercal . More advanced forms had a hyomandibular in the vertical plane and a breakup of the cheek- bones . This permitted more flexibility in the oral - branchial chamber . The dorsal lobe of the tail became ...
... tail is strongly heterocercal . More advanced forms had a hyomandibular in the vertical plane and a breakup of the cheek- bones . This permitted more flexibility in the oral - branchial chamber . The dorsal lobe of the tail became ...
Vsebina
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Avtorske pravice | |
4 preostalih delov ni prikazanih
Pogosti izrazi in povedi
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