The ultrastructure of spermatid development during spermiogenesis within the rosebelly lizard, Sceloporus variabilis (Reptilia, Squamata, Phrynosomatidae). - Gribbins KM; Matchett CL; DelBello KA; Rheubert J; Villagrán-SantaCruz M; Granados-González G; Hernández-Gallegos O (Journal of morphology, 2014)