Annals of the South African MuseumThe Museum, 1973 - Natural history |
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Page 2
... examined in detail : Cruriraja parcomaculata , C. triangularis , Raja doutrei , R. pullopunctata , R. stenorhynchus ... examined . Material collected in the South Atlantic by the Discovery , FFS Walther Herwig and the Belgian South ...
... examined in detail : Cruriraja parcomaculata , C. triangularis , Raja doutrei , R. pullopunctata , R. stenorhynchus ... examined . Material collected in the South Atlantic by the Discovery , FFS Walther Herwig and the Belgian South ...
Page 3
... examined by dissection , preserved material being soaked in a weak ( 2 % ) solution of NaOH , according to the method of Stehmann ( 1970 ) . Where possible , the neurocrania were also examined in this way , but in several cases ...
... examined by dissection , preserved material being soaked in a weak ( 2 % ) solution of NaOH , according to the method of Stehmann ( 1970 ) . Where possible , the neurocrania were also examined in this way , but in several cases ...
Page 25
... examination of further material has revealed that the eperon is present in this species . In Cruriraja triangularis ... examined , except Raja alba and Bathyraja smithii , and was found to be absent in the Rhinobatidae and Myliobatoidea ...
... examination of further material has revealed that the eperon is present in this species . In Cruriraja triangularis ... examined , except Raja alba and Bathyraja smithii , and was found to be absent in the Rhinobatidae and Myliobatoidea ...
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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