RIGBY, J. Austroannularia gen. nov., an asymmetrical Permian sphenopsid leaf whorl from Gondwanaland. Journal of Palaeosciences, [S. l.], v. 37, n. (1-3), p. 189–191, 1988. DOI: 10.54991/jop.1988.1617. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1617. Acesso em: 30 apr. 2024.