Annals of the South African Museum, Volume 91The Museum, 1983 - Natural history |
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Page 202
... pterygoid and compares in position with the lateral pterygoid process of non - dicynodont therapsids . Behind the interpterygoidal vacuity the pterygoids unite and together with the basisphenoid form a prominent ventral crest in the ...
... pterygoid and compares in position with the lateral pterygoid process of non - dicynodont therapsids . Behind the interpterygoidal vacuity the pterygoids unite and together with the basisphenoid form a prominent ventral crest in the ...
Page 258
South African Museum. goidal vacuity lies wholly between the pterygoids , the adductor musculature does not extend far forward on the lower jaw , the secondary palate is not extensive compared with later dicynodonts , the lateral pterygoid ...
South African Museum. goidal vacuity lies wholly between the pterygoids , the adductor musculature does not extend far forward on the lower jaw , the secondary palate is not extensive compared with later dicynodonts , the lateral pterygoid ...
Page 259
... pterygoid process reduced and anteriorly directed , ( iii ) emargination of the zygoma , ( iv ) loss of the coronoid bone , ( v ) jaw articulation that permits a sliding action , ( vi ) presence of a mandibular fenestra . These features ...
... pterygoid process reduced and anteriorly directed , ( iii ) emargination of the zygoma , ( iv ) loss of the coronoid bone , ( v ) jaw articulation that permits a sliding action , ( vi ) presence of a mandibular fenestra . These features ...
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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