Blake, D. B.; Angiolini, L.; Tintori, A. (2014). Omanaster imbricatus (Echinodermata, Asteroidea), a new genus and species from the Sakmarian (Lower Permian) Saiwan Formation of Oman, Arabian peninsula. Rivista Italiana di Paleontologia e Stratigrafia. 120(3): 263-269.
Omanaster imbricatus (Echinodermata, Asteroidea), a new genus and species from the Sakmarian (Lower Permian) Saiwan Formation of Oman, Arabian peninsula