Ferràndez i Cañadell, Carles2013-02-212013-02-2119980567-7505https://hdl.handle.net/2445/33918Orthophragminids are Paleocene-Eocene bilamellarperforate larger foraminifers characterized by a lenticular test with an equatorial layer of rectangular chamberlets arranged in concentric rings and lateral chamberlets on either side. Usually called 'discocyclinids', orthophragrninids include genera from two families: Discocyclinidae and Orbitoclypeidae.5 p.application/pdfeng(c) Ferràndez i Cañadell, Carles, 1998Foraminífers fòssilsPaleobiologiaFossil foraminiferaPaleobiologyinfo:eu-repo/semantics/article1393262013-02-21info:eu-repo/semantics/openAccess