Annals of the South African Museum, Volume 91The Museum, 1983 - Natural history |
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Page 63
... slender avicularia . Some specimens included zooids bearing a second type of avicula- rium , broader proximally than the usual type ( Fig . 16C ) , but as the latter frequently occurred on the same zooids also , this variation does not ...
... slender avicularia . Some specimens included zooids bearing a second type of avicula- rium , broader proximally than the usual type ( Fig . 16C ) , but as the latter frequently occurred on the same zooids also , this variation does not ...
Page 89
... slender blades . A. gibba sp . nov . 8 Primary orifice longer than broad . No median , proximally directed avicularium 8. Sinus of primary orifice forming a short symmetrical U. Small avicularia frequent on frontal wall and around ...
... slender blades . A. gibba sp . nov . 8 Primary orifice longer than broad . No median , proximally directed avicularium 8. Sinus of primary orifice forming a short symmetrical U. Small avicularia frequent on frontal wall and around ...
Page 90
... slender , up to 5 mm wide . Zooids oval to hexagonal , broadening distally , tapered proximally , separated by indistinct grooves which are increasingly obscured in older zooids . Primary orifice semi - orbicular , sinus slender , U ...
... slender , up to 5 mm wide . Zooids oval to hexagonal , broadening distally , tapered proximally , separated by indistinct grooves which are increasingly obscured in older zooids . Primary orifice semi - orbicular , sinus slender , U ...
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Common terms and phrases
Adeonella adventitious avicularia Aulacephalodon avicularia basal Beaufort West Bioclimatic Region BMNH boss Brodiella Broom Bryozoa Busk caniniform process Canu & Bassler Chaperia Cheilostomata chiefdoms Cleidochasma Cluver condyles convex cryptocyst cystid dentary described Description Colony encrusting developed dicynodonts distinct dorsal edge eLangeni elongate Emydops Eodicynodon Etymology fauna forms Frontal wall genera genus granular grooves Harmer Hayward & Cook Hayward & Ryland Holotype intertemporal region Jullien kwaButhelezi labellum later ontogenetic lower jaw mandible marginal pores Material Holotype Material Stations SM maxilla Measurements means medially Meiring Naude O'Donoghue opesia Ovicell paired palatal palatine parietals peristome Polyzoa postcanine postcanine teeth posterior postorbital premaxilla present Primary orifice proximal border pterygoid Remarks Rhynchozoon ridge Robertia rostrum secondary orifice secondary palate sinus skull roof slender South African Museum spiramen Stations SM 163 surface therapsids triangular Tropidostoma tusk type species type specimen ventral vicarious avicularia zooids Zool