LEPIDOCYCLINA

Pilum : protozoa

Class : sarcodina

Ordo : foraminifera

Umur : eosin akhir-oligosen awal

http://itc.gsw.edu/faculty/bcarter/natres/fossils/lepsp.htm

Discocyclina

Order :  FORAMINIFERIDA

Sub Order :  ROTALIINA

Super Family :  NUMMULITACEA

Family :  DISCOCYCLINIDAE

Genus :  DISCOCYCLINA

DISCOCYCLINA Gümbel, 1870 

Test large. microspheric test up to 23 mm in diameter, discoidal to lenticular, thin or centrally inflated, megalospheric embryo with small subolobular protoconch embraced by iarger reniform deuteroconch, first nepionic :cycle of chambers may be larger than the subsequent ones. radial partitions in equatorial chambers form concentric annuli of rectangular chamberlets, those of successive cycles alternating in position, adjacent chamberlets of an annulus connected by annular stolons at the proximal end of the radial walls, those of successive annuli connected by two or three radial stolons at different levels, about fifteen tiers of prominent lateral chambers comprise most of the test thickness, vertical stolons connect chamberlets of the equatorial layer with the lateral chambers. well-developed pillars end in surface papillae; wall calcareous, with dark median lines representing interseptal spaces or fissures but not true canals, surface granulate. M. Paleocene to U. Eocene; cosmopolitan, tropical and temperate.

http://www.gsi.ir/General/Lang_en/Page_48/SubOrderId_2311/SuperFamilyId_3075/FamilyId_3092/SubFamilyId_/GenusId_3095/Action_GenusView/DISCOCYCLINA.html

CUMA DAPET SEGITU