“Morphological Variations, Patterns of Frontal Ambulacrum Pores and Paleoecology of Heteraster renngarteni Poretzkaja (Echinoidea: Spatangoida) from Aptian Sediments of Baghin Area, Kerman, Iran: Morphology of Heteraster renngarteni from Iran” (2011) Biological Sciences - PJSIR, 54(1), pp. 41–46. doi:10.52763/PJSIR.BIOL.SCI.54.1.2011.41.46.