The Involutinidae are a family of foraminifera
[Only Six Kingdoms of Life]
Cavalier-Smith, 2004 included in the Involutinida, characterized by calcareous
tests
Test(s), testing, or TEST may refer to:
* Test (assessment), an educational assessment intended to measure the respondents' knowledge or other abilities
Arts and entertainment
* ''Test'' (2013 film), an American film
* ''Test'' (2014 film) ...
consisting of an undivided planispirally to trochospirally coiled tubular second chamber wound around the initial proloculus, and which may have thickenings or nodes on one or both sides.
This family includes four subfamilies,
Aulotortinae,
Involutininae,
Triadodiscinae, and
Triasininae.
The Involutinidae were previously included in the ''
Treatise on Invertebrate Paleontology
The ''Treatise on Invertebrate Paleontology,'' published from 1953–2007 by the Geological Society of America and the University of Kansas, then 2009–present by the University of Kansas Paleontological Institute, is a definitive multi-authore ...
''Part C, 1964.
References
{{Taxonbar, from=Q11014137
Spirillinata
Foraminifera families