Annals of the South African MuseumThe Museum, 1973 - Natural history |
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Page 24
... associated with the promontory and probably arises as a fleshy expansion of the proximal end of the dorsal terminal 3 cartilage . A roll has been found only in Raja wallacei ( Fig . 7 ) . Components of the ventral lobe It should be ...
... associated with the promontory and probably arises as a fleshy expansion of the proximal end of the dorsal terminal 3 cartilage . A roll has been found only in Raja wallacei ( Fig . 7 ) . Components of the ventral lobe It should be ...
Page 31
... associated structure , the pseudosiphon . The pseudosiphon develops as a blindly ending sac , underlying the dorsal terminal 1. Dorsally the dorsal terminal 1 is flat and shield - like , but in some species it may be strongly curved ...
... associated structure , the pseudosiphon . The pseudosiphon develops as a blindly ending sac , underlying the dorsal terminal 1. Dorsally the dorsal terminal 1 is flat and shield - like , but in some species it may be strongly curved ...
Page 79
... associated shield and eperon in the clasper glans in this species . Probably associated with this is the fact that the spike and sentinel in Anacanthobatis americanus are positioned laterally and are capable of rotation ( Fig . 11 ) ...
... associated shield and eperon in the clasper glans in this species . Probably associated with this is the fact that the spike and sentinel in Anacanthobatis americanus are positioned laterally and are capable of rotation ( Fig . 11 ) ...
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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