Annals of the South African MuseumThe Museum, 1973 - Natural history |
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Page 5
... vary considerably ; in Raja species , their lengths vary from 0,1 to 0,3 of the girdle width ; in Bathyraja smithii b 11 I I Fig . 2. Pelvic girdles of southern African Rajidae , showing sexual dimorphism . a . Raja springeri ( male ) ...
... vary considerably ; in Raja species , their lengths vary from 0,1 to 0,3 of the girdle width ; in Bathyraja smithii b 11 I I Fig . 2. Pelvic girdles of southern African Rajidae , showing sexual dimorphism . a . Raja springeri ( male ) ...
Page 28
... varying number of intermediate proximal segments ( b1 - bg ) . Ishiyama ( 1958 ) has pointed out that the basal group is not species specific , and although the number of proximal segments may vary within large groups of elasmobranchs ...
... varying number of intermediate proximal segments ( b1 - bg ) . Ishiyama ( 1958 ) has pointed out that the basal group is not species specific , and although the number of proximal segments may vary within large groups of elasmobranchs ...
Page 66
... ; lateral prepelvic processes of varying length ; iliac processes recurved ; two or more obturatorial foramina . The prepelvic processes appear to vary considerably in length between 66 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... ; lateral prepelvic processes of varying length ; iliac processes recurved ; two or more obturatorial foramina . The prepelvic processes appear to vary considerably in length between 66 ANNALS OF THE SOUTH AFRICAN MUSEUM.
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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