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Botha-Brink J and Modesto SP 2009. Anatomy and Relationships of the Middle Permian Varanopid Heleosaurus scholtzi Based on a Social Aggregation from the Karoo Basin of South Africa. Journal of Vertebrate Paleontology 29(2):389-400.

Broom R 1907. On some new fossil reptiles from the Karroo beds of Victoria West, South Africa. Transactions of the South African Philosophical Society 18:31–42.

Carroll RL 1976. Eosuchians and the origin of archosaurs; pp. 58–79 in C. S. Churcher (ed.), Athlon: Essays on Paleontology in Honour of Loris Shano Russell. Miscellaneous Publications of the Royal Ontario Museum, Toronto.

Reisz RR and Modesto SP 2007. Heleosaurus scholtzi from the Permian of South Africa: a varanopid synapsid, not a diapsid reptile.

wiki/Heleosaurus

 
Protodiapsida
Mycterosaurus
Heleosaurus
Mesenosaurus
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Youngina SAM K7710
 

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