Annals of the South African Museum, Volumes 55-56The Museum., 1969 - Natural history |
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Page 2
... Pelvic fins with minute spine and two to four rays , jugular in posi- tion . Dorsal , anal , pectoral , and pelvic rays unbranched . Caudal rays branched or simple . Pseudobranchiae present . Gill membranes united , forming fold across ...
... Pelvic fins with minute spine and two to four rays , jugular in posi- tion . Dorsal , anal , pectoral , and pelvic rays unbranched . Caudal rays branched or simple . Pseudobranchiae present . Gill membranes united , forming fold across ...
Page 97
... pelvic fins , and ( iv ) the greater relative length of the anal fin . The form of the head and pelvic fins are associated with the sand - burrow- ing habit of these fishes . The expanded opercular membranes occur only in one of the ...
... pelvic fins , and ( iv ) the greater relative length of the anal fin . The form of the head and pelvic fins are associated with the sand - burrow- ing habit of these fishes . The expanded opercular membranes occur only in one of the ...
Page 155
... Pelvic fins with outer margins either weakly concave , or so deeply concave that anterior lobe forms separate ... pelvic fin forming slender , three - jointed limb - like structure , separate externally from posterior fin - like region ...
... Pelvic fins with outer margins either weakly concave , or so deeply concave that anterior lobe forms separate ... pelvic fin forming slender , three - jointed limb - like structure , separate externally from posterior fin - like region ...
Contents
Origin of the South African Clinidae | 105 |
Summary | 115 |
PENRITH M | 119 |
Copyright | |
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Common terms and phrases
Anteosaurus Barnard basal Blennioclinus Boonstra Bradysaurus Broom Bushmen Cape Point Cape Town Caudal fin Caudal peduncle clasper clingfishes Clinidae Clinus Clinus collected colour declivis dentary deposits dicynodonts dorsal fin Emydops False Bay fauna fin bases fishes fossils fourth dorsal spines frontal genera genus Gilchrist & Thompson Haughton head length holotype Hubbs interorbital intertidal Intromittent organ Jonkeria juvenile Lambert's Bay Langebaanweg Lateral line lateral view Lüderitzbucht Lystrosaurus mandible margins maxilla median membrane middle of vent Mouth nasal Nharo nostril notch orbits organ of male palatal paratype pareiasaurs Pavoclinus pelvic pores posterior premaxilla presphenoid Proc Raja region reptiles ridge rostral skull roof Smith South African Museum South West species specimens spiracles standard length superciliosus supraorbital tentacle surface of disc tail Tapinocephalus Tapinocephalus zone teeth therapsids thorns tip of snout Titanosuchus total length upper jaw Valenciennes vertebrates Vomer Zool