Cassigerinellidae

{{Short description|Family of single-celled organisms}}

{{Taxobox

| name = Cassigerinellidae

| fossil_range = Bartonian - Serravallian

| image =

| domain = Eukaryota

| unranked_regnum = SAR

| phylum = Foraminifera

| classis = Globothalamea

| ordo = Rotaliida

| subordo = Globigerinina

| superfamilia = Guembelitrioidea

| familia = Cassigerinellidae

| familia_authority = Bolli, Loeblich and Tappan, 1957

}}

Cassigerinellidae is an extinct family of foraminifera belonging to the superfamily Guembelitrioidea and the suborder Globigerinina.{{cite web |url=http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=720944 |title=Cassigerinellidae |work= World Foraminifera Database |access-date=27 November 2018}} {{cite book |url=https://www.researchgate.net/publication/325426025 |isbn=9781970168419 |via=ResearchGate|title=Atlas of Oligocene Planktonic Foraminifera |last1=Wade |first1=Bridget S. |last2=Olsson |first2=Richard K. |last3=Pearson |first3=Paul Nicholas |last4=Huber |first4=Brian T. |last5=Berggren |first5=William A. |year=2018 }}