Annals of the South African Museum, Volume 60South African Museum, 1972 - Natural history |
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Page 86
... African region has therefore always formed an effective barrier zone to the migration of the Rajidae. The southern African region has therefore been one of secondary colonization rather than primary development, and the Rajidae can be ...
... African region has therefore always formed an effective barrier zone to the migration of the Rajidae. The southern African region has therefore been one of secondary colonization rather than primary development, and the Rajidae can be ...
Page 88
... southern African region, are shown in Figures 58, 59, while the frequency of occurrence is given in Table 3. The sampling data does not allow for comment on the relative abundance at various depths and hence the variation in depth ...
... southern African region, are shown in Figures 58, 59, while the frequency of occurrence is given in Table 3. The sampling data does not allow for comment on the relative abundance at various depths and hence the variation in depth ...
Page 91
... southern African rajid fauna is reasonable. There are no endemic genera or subgenera in the southern African region. All are represented in the eastern North Atlantic. Not only this, but the specific composition of the southern African ...
... southern African rajid fauna is reasonable. There are no endemic genera or subgenera in the southern African region. All are represented in the eastern North Atlantic. Not only this, but the specific composition of the southern African ...
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Common terms and phrases
abdomen accessory terminal Anacanthobatis marmoratus antennae apex apical Atlantic axial Barnard basal Bathyraja smithii brownish cartilage caudaspinosa clasper clypeus confundens coxae dense denser dermal denticles developed dissimilis dorsal lobe dorsal terminal elongate femora foramen front and middle genus gill-rakers glans gnathopod Grindley & Penrith hairs Hesse hind femora hind margins holotype Hulley Hypopygium inner integument interocular space Ishiyama joint lanceorostrata legs Leigh-Sharpe length leopardus longer mainly mesonotum metanotum miraletus n.sp Nafpaktitis outer lateral pereiopods pleurae posterior cell proboscis Protomyctophum pseudosiphon pullopunctata radiata Raja alba Raja clavata Raja doutrei Rajidae reddish brown region Rhinobatos right clasper rostral scutellum sericeous yellowish setiferous puncturation shorter sides of tergite slightly South African Museum South West Africa southern African species specimens spicules spines Stehmann sternite 9 straeleni streaks structure subgenus synonymy tergite tergite 9 terminal cartilage thickened thorax tibiae tomentum transverse triangularis tubercles type-species uropod venter ventral terminal vertex Vestiture wallacei yellowish brown