Annals of the South African MuseumThe Museum, 1973 - Natural history |
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Page 18
... clefts , and in Raja miraletus , where it separates the cleft from the pocket . In both species , the terminal bridge links the axial with the dorsal terminal 2 cartilage . Stehmann ( 1969 , 1970 , 1971a , b ) regards the terminal ...
... clefts , and in Raja miraletus , where it separates the cleft from the pocket . In both species , the terminal bridge links the axial with the dorsal terminal 2 cartilage . Stehmann ( 1969 , 1970 , 1971a , b ) regards the terminal ...
Page 21
... cleft in these species is formed as a cavity between the axial cartilage and the dorsal terminal 2. A similar gap between these cartilages is found in Raja wallacei , R. confundens and R. leopardus ( Figs 35-37 ) , but a proximal cleft ...
... cleft in these species is formed as a cavity between the axial cartilage and the dorsal terminal 2. A similar gap between these cartilages is found in Raja wallacei , R. confundens and R. leopardus ( Figs 35-37 ) , but a proximal cleft ...
Page 22
that when a distal cleft is present , the proximal border of this cleft is always formed either by the terminal bridge or the dorsal terminal 2 cartilage . While a proximally situated cleft is present in Anacanthobatis marmoratus ( Fig ...
that when a distal cleft is present , the proximal border of this cleft is always formed either by the terminal bridge or the dorsal terminal 2 cartilage . While a proximally situated cleft is present in Anacanthobatis marmoratus ( Fig ...
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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