Annals of the South African Museum, Volume 91The Museum, 1983 - Natural history |
From inside the book
Results 1-3 of 36
Page 87
... medially . These arch over the primary orifice and fuse medially ; proximal to the area of fusion , a transversely oval spiramen communicates with the space above the primary orifice , distally a rim of calcification delimits a ...
... medially . These arch over the primary orifice and fuse medially ; proximal to the area of fusion , a transversely oval spiramen communicates with the space above the primary orifice , distally a rim of calcification delimits a ...
Page 88
... medially directed avicularia . Other avicularia rare . Marginal vicarious avicularia absent 26 A. infirmata sp . nov . - Primary orifice oval or rounded . No concavity proximal to spiramen 3. Primary orifice almost circular . Spiramen ...
... medially directed avicularia . Other avicularia rare . Marginal vicarious avicularia absent 26 A. infirmata sp . nov . - Primary orifice oval or rounded . No concavity proximal to spiramen 3. Primary orifice almost circular . Spiramen ...
Page 89
... medially , between the spiramen and the secondary orifice . Smaller frontal avicularia abundant in later ontogenetic stages ..... A. majuscula Hayward & Cook ( 1979 ) Spiramen large , oval ; situated in distal half of zooid , close to ...
... medially , between the spiramen and the secondary orifice . Smaller frontal avicularia abundant in later ontogenetic stages ..... A. majuscula Hayward & Cook ( 1979 ) Spiramen large , oval ; situated in distal half of zooid , close to ...
Other editions - View all
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