''Reissella'' is a genus of benthic
forams with a
test
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), ...
of
microgranular calcite
Calcite is a Carbonate minerals, carbonate mineral and the most stable Polymorphism (materials science), polymorph of calcium carbonate (CaCO3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on ...
from the upper Cretaceous (
Cenomanian
The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in the s ...
) of
Israel
Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
. The test starts off planispirally enrolled and involute but later may tend to uncoil and flare with as many as ten chambers in the final whorl. The interior as with other
spirocyclinids is complex.
Other Late Cretaceous spirocyclinids include ''
Qataria
''Qataria'' is a genus of large benthic forams with a discoidal test over 6mm in diameter fully developed. The interior is complex with chambers divided into chamberlets. The wall is of microgranular calcite.A.R.Loeblich & H.Tappan 1964. Sarco ...
'' and ''
Sornayina
''Sornayina'' is a genus of benthic forams from the Upper Cretaceous (Coniacian) of France included in the Spirocyclinidae
Spirocyclinidae is a family of foraminifera included in the order Loftusiida.
Tests are variably discoidal, aggulitinat ...
''.
References
Loftusiida
Prehistoric Foraminifera genera
{{foraminifera-stub