Hantkeninoidea (Hantkeninacea in older classifications) is a
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
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 ...
with planispiral or enrolled biserial tests, found in marine sediments of
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
Miocene
The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
age, in which chambers vary from globular to elongate and the primary aperture is equatorial in position. It contains one family, the
Hantkeninidae.
[Hantkeninoidea](_blank)
World Foraminifera Database, accessed 27 November 2018
Members of the Hantkeninacea were included in the family Hantkeninidae, established by Cushman, 1927, as defined in the
Treatise
A treatise is a formal and systematic written discourse on some subject, generally longer and treating it in greater depth than an essay, and more concerned with investigating or exposing the principles of the subject and its conclusions."Treat ...
, part C, 1964, which is accordingly included in the Globigerinacea, a superfamily in the foraminiferal suborder, Rotaliina.
References
* Loeblich, A.R. Jr and H. Tappan 1964. Sarcodina Chiefly "Thecamoebians" and Foraminiferida; Treatise on Invertebrate Paleontology, part C Protista 2. R.C. Moore (ed) Geological Society of America and University of Kansas Press.
* Loeblich, A.R. Jr and H. Tappan 1988. Foraminiferal Genera and their Classification. Van Nostrand Reinhold. ''see'' GSI eBoo
External links
*
{{Taxonbar, from=Q5651302
Foraminifera superfamilies
Globigerinina