This foraminifera is the only specimen found in a Maastrichtian small isolated carbonate platform in Costa Rica, Central America.
Valentin Chesnel The well spherical and globose initial chambers at the begging of the uni-tri serial arrangement, then become flat, in addition to the poor preservation, and subtriangular shape pushes me to tell you please check Planoglobulina multicamerata. It's known from Maastrichtian deposits.
Felix Schlagintweit Carles Ferràndez-Cañadell Reza Hanifzadah Thanks for the answer. I will have a look at bryozoans. Actually I found another specimen which looks more like bryozoan than foraminifera.
Abdulrahman Bamerni thanks for the answer. I looked at Planoglobulina multicamerata. It effectively ressembles my specimen. But I now think it could better be a bryozoan.
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