Acarinina
Acarinina is an extinct genus of foraminifera belonging to the family Truncorotaloididae of the superfamily Globorotalioidea and the suborder Globigerinina. Its fossil range is from the upper Paleocene to the middle Eocene. Its type species is Acarinina nitida.
Description
The test is subglobular, close coiled and low trochospiral. It has four to five rapidly enlarging chambers per whorl. It has a cosmopolitan distribution.Species
Species in Acarinina include:Acarinina africanaAcarinina alticonicaAcarinina angulosaAcarinina aquiensisAcarinina aspensisAcarinina bolliiAcarinina boudreauxiAcarinina bucharensisAcarinina bullbrookiAcarinina coalingensisAcarinina collacteaAcarinina compactaAcarinina convexaAcarinina cuneicamerataAcarinina discorsAcarinina dzegviensisAcarinina echinataAcarinina esnaensisAcarinina esnehensisAcarinina falsospiralisAcarinina intermediaAcarinina interpositaAcarinina kiwensisAcarinina mattseensisAcarinina mcgowraniAcarinina mckannaiAcarinina medizzaiAcarinina microsphericaAcarinina multicamerataAcarinina multiloculataAcarinina nachtschevanicaAcarinina nitidaAcarinina oblongaAcarinina pentacamerataAcarinina planodorsalisAcarinina praetopilensisAcarinina primitivaAcarinina proximaAcarinina pseudosubsphaeraAcarinina pseudotopilensisAcarinina punctocarinataAcarinina quadratoseptataAcarinina quetraAcarinina rohriAcarinina rotundimarginataAcarinina rugosoaculeataAcarinina sibaiyaensisAcarinina sirabensisAcarinina soldadoensisAcarinina spinuloinflataAcarinina strabocellaAcarinina subintermediaAcarinina subsphaericaAcarinina topilensisAcarinina umbilicataAcarinina umbonataAcarinina vedica- ''Acarinina wilcoxensis''