Annals of the South African MuseumThe Museum, 1973 - Natural history |
From inside the book
Results 1-3 of 14
Page 71
... subgenus Raja . It would appear that parallel evolution has occurred in the formation of the pecten , which presumably acts as a holdfast structure . However , as has been pointed out above , the pecten in Raja miraletus ( subgenus Raja ) ...
... subgenus Raja . It would appear that parallel evolution has occurred in the formation of the pecten , which presumably acts as a holdfast structure . However , as has been pointed out above , the pecten in Raja miraletus ( subgenus Raja ) ...
Page 72
... subgenus , a dorsal terminal 4 is absent . These interpretations are now held to be incorrect . It has been found that in the species Raja dissimilis , R. confundens , R. caudaspinosa and R. leopardus ( Figs 36-39 ) a dorsal terminal 4 ...
... subgenus , a dorsal terminal 4 is absent . These interpretations are now held to be incorrect . It has been found that in the species Raja dissimilis , R. confundens , R. caudaspinosa and R. leopardus ( Figs 36-39 ) a dorsal terminal 4 ...
Page 77
... subgenus Dipturus Rafinesque , 1810 type - species Raja batis Linnaeus , 1758 species : 3. subgenus Raja doutrei Cadenat , 1960 ; Raja pullopunctata Smith , 1964 ; Raja springeri Wallace , 1967 ; Raja lanceorostrata Wallace , 1967 ...
... subgenus Dipturus Rafinesque , 1810 type - species Raja batis Linnaeus , 1758 species : 3. subgenus Raja doutrei Cadenat , 1960 ; Raja pullopunctata Smith , 1964 ; Raja springeri Wallace , 1967 ; Raja lanceorostrata Wallace , 1967 ...
Other editions - View all
Common terms and phrases
a.tr-accessory terminal accessory terminal Amblyraja Anacanthobatis americanus ax-axial axial cartilage Bathyraja smithii Fig Bigelow & Schroeder Bonde & Swart Cape Point Cartilages of right cavity clasper glans clasper structure cleft Cruriraja parcomaculata Cruriraja triangularis d.tr-dorsal terminal dermal denticles developed Dipturus distal distal end distribution dorsal lobe dorsal terminal dorsal terminal cartilages elongate fontanelle foramen formed genus genus Cruriraja glans Hulley iliac regions Ishiyama & Hubbs Leigh-Sharpe leopardus Leucoraja metres mg d Myliobatis cervus nasal capsules neurocranium outer lateral margin pecten pelvic girdle posterior prepelvic processes proximal pseudorhipidion pseudosiphon Raja caudaspinosa Raja clavata Raja doutrei Raja miraletus Raja pullopunctata Raja radiata Raja wallacei Rajella Rajidae Rajoidea ravidula Rhinobatidae Rhinobatos annulatus Rhinobatos halavi Rhinoraja rhipidion robertsi rostral rostral cartilage Rostroraja Scale 2,0 cm sentinel southern African Rajidae southern African region species Raja spike springeri Stehmann stenorhynchus subgenus subgenus Raja temperature terminal cartilage ventral terminal cartilage view of right wallacei Fig