Truncorotaloididae is a family of
foraminifera
Foraminifera (; Latin for "hole bearers"; informally called "forams") are single-celled organisms, members of a phylum or class of amoeboid protists characterized by streaming granular Ectoplasm (cell biology), ectoplasm for catching food and ot ...
belonging to the superfamily
Globorotalioidea
The Globoroatioidea (Globorotaliacea in older classifications) constitutes a superfamily of Cenozoic plantonic foraminifera. It is part of the suborder Globigerinina. in the suborder
Globigerinina
The Globigerinina is a suborder of foraminiferans that are found as marine plankton. They produce hyaline calcareous tests, and are known as fossils from the Jurassic period onwards. The group has included more than 100 genera and over 400 spec ...
and the order
Rotaliida
The Rotaliida are an order of Foraminifera, characterized by multilocular tests (shells) composed of bilamellar perforate hyaline lamellar calcite that may be optically radial or granular.
In form, rotaliid tests are typically enrolled, but ma ...
.
[Truncorotaloididae](_blank)
World Foraminifera Database, accessed 27 November 2018 It is found in marine sediments from the middle
Paleocene
The Paleocene, ( ) or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), E ...
to the upper
Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
.
Genera
The family contains the following genera:
* ''
''
* ''
Astrorotalia''
* ''
Igorina''
* ''
Morozovella''
* ''
Morozovelloides''
* ''
Planorotalites''
* ''
Praemurica''
* ''
Testacarinata''
References
External links
*
Foraminiferida
Foraminifera families
Globigerinina
{{Foraminifera-stub