Annals of the South African MuseumThe Museum, 1973 - Natural history |
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Page 20
... possesses a pseudosiphon on the outer dorsal wall of the glans . Both Rhinobatos annulatus ( Fig . 13 ) and Myliobatis cervus ( Fig . 14 ) possess a pseudosiphon in the outer dorsa ! wall . However , it should be noted that in these ...
... possesses a pseudosiphon on the outer dorsal wall of the glans . Both Rhinobatos annulatus ( Fig . 13 ) and Myliobatis cervus ( Fig . 14 ) possess a pseudosiphon in the outer dorsa ! wall . However , it should be noted that in these ...
Page 26
... possess a somewhat similarly shaped spike , which in A. americanus is directed laterally outward . ( 7 ) sentinel ( Leigh - Sharpe ) A cartilaginous structure , varying considerably in shape and size and which may or may not be covered ...
... possess a somewhat similarly shaped spike , which in A. americanus is directed laterally outward . ( 7 ) sentinel ( Leigh - Sharpe ) A cartilaginous structure , varying considerably in shape and size and which may or may not be covered ...
Page 44
... possess an attachment process . The cartilage is strongly united with the accessory terminal 1 in Raja clavata ( Hulley 1966 : fig . 3 E ) and R. straeleni , while in R. miraletus the association does not appear to be that marked ...
... possess an attachment process . The cartilage is strongly united with the accessory terminal 1 in Raja clavata ( Hulley 1966 : fig . 3 E ) and R. straeleni , while in R. miraletus the association does not appear to be that marked ...
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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