tubothalamea tubothalamea tubothalamea is a taxonomic class established for foraminiferans with tubular chambers. includes the porcelaceous and agglutinated miliolida and the monocrystalline and agglutinated spirillinida. it is one of two classes of multichambered foraminifera based on ssu rdna molecular studies with consideration of major morphological trands, the other being the globothalamea. tubothalameatemporal range: mississippian? -recent quinqueloculina seminula scientific classification domain: eukaryota (unranked): sar (unranked): rhizaria phylum: retaria subphylum: foraminifera class: tubothalameapawlowski, holzmann & tyszka, 2013 orders miliolida spirillinida silicoloculinida