Annals of the South African Museum, Volume 91 |
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Page 234
Vomers form long , narrow septum in interpterygoidal fossa . Anterior border of
interpterygoidal fossa formed by a crest that joins the vomerine septum .
Ectopterygoid small , displaced laterally . Labial fossa present between maxilla ,
palatine ...
Vomers form long , narrow septum in interpterygoidal fossa . Anterior border of
interpterygoidal fossa formed by a crest that joins the vomerine septum .
Ectopterygoid small , displaced laterally . Labial fossa present between maxilla ,
palatine ...
Page 262
Suite K ( defining Tropidostoma ) ( i ) Postorbitals overlap parietals , producing a
narrow intertemporal region , where the parietal exposure lies within a groove .
Many specimens of Tropidostoma are tuskless but retain the other features of the
...
Suite K ( defining Tropidostoma ) ( i ) Postorbitals overlap parietals , producing a
narrow intertemporal region , where the parietal exposure lies within a groove .
Many specimens of Tropidostoma are tuskless but retain the other features of the
...
Page 263
Suite Q ( defining Dicynodon ) ( i ) Narrow intertemporal region , ( ii ) palatal
exposure of palatine flat , ( iii ) lower jaw bears lateral dentary ledge . Triassic
representatives of the Dicynodon line . Genera such as Lystrosaurus ,
Kannemeyeria ...
Suite Q ( defining Dicynodon ) ( i ) Narrow intertemporal region , ( ii ) palatal
exposure of palatine flat , ( iii ) lower jaw bears lateral dentary ledge . Triassic
representatives of the Dicynodon line . Genera such as Lystrosaurus ,
Kannemeyeria ...
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Common terms and phrases
Adeonella appears avicularia basal base BMNH border boss branch broad Broom Bryozoa Busk calcification capital characteristic characters chiefdoms closely collected Colony encrusting condyles dentary described Description Colony developed dicynodonts directed distal distinct distribution dorsal edge elongate erect extending Family Figure foramen forms Frontal wall further genera genus grooves Harmer Hayward & Cook hexagonal included lateral length live lower jaw mandible marginal Material Stations SM Measurements means medially Museum narrow Note O'Donoghue opesia oral spines original oval Ovicell paired palatal palatine parietals peristome Polyzoa pores posterior postorbital present Primary orifice prominent proximal pterygoid references region Remarks reported ridge rostrum rounded Ryland secondary separated short showing side similar single situated skull slender South African species spiramen Stations SM 163 surface Table teeth triangular tusk type specimen typically values ventral wide zooids