B. Jasin et al., LATE MIDDLE PERMIAN RADIOLARIA FROM THE JENGKA AREA, CENTRAL PAHANG, MALAYSIA, Journal of Southeast Asian earth sciences, 12(1-2), 1995, pp. 79-83
Nine species of well-preserved late Middle Permian radiolarians were r
etrieved from bedded chert in the Jengka area, central Pahang. The rad
iolarian assemblage consists of Entactinia itsukaichiensis, Entactinia
sp., Hegleria mammilla, Hegleria sp., Copicyntra sp., Copiellintra sp
., Follicucullus monacanthus, Follicucullus japonicus and Pseudoalbail
lella cf. globosa indicative of the Follicucullus japonicus Zone of la
te Middle Permian age.