Najash . Wonambi naracoortensis and Thylacoleo Several madtsoiid genera have been named using indigenous words for legendary Rainbow Serpents or dragons , including Wonambi ( Pitjantjatjara ), Yurlunggur ( Yolngu ) and Nanowana ( Ancient Greek nano -, 'dwarf' + Warlpiri Wana ) in Australia, and Herensugea ( Basque ) in