-
range from the Jur****ic to recent. Test are
commonly planospiral or
trochospiral but may be
uniserial to
multiserial and are of
secreted hyaline (gl****y)...
- suborder, Lytoceratina. The s**** of
Turrilites is
tightly wound in a high
trochospiral, with an
acute angle at the apex. Ribs are weak to
strong and may have...
- to
Holocene agglutinated benthic textulariid Foraminifera.
Tests are
trochospiral, triserial, or
biserial in
early stages;
later may be
biserial or uniserial...
-
Tests of the
Ventrolaminidae are lenticular, planispiral, or a low
trochospiral with
multiple chambers in a
rapidly enlarging whorl. The wall is calcareous...
-
composed of
chambers that are not
elongated radially but are
rounded and
trochospiral. As the
organism grows,
these chambers enlarge rapidly,
typically reaching...
-
Paleocene to
recent benthic textulariid Foraminifera characterized by
trochospiral tests in the
early stage which may
become uniserial in the later. Walls...
- of
perforate hyaline calcite.
Tests may be planospiral, low or high
trochospiral, or serial.
Interiors may be
complex with
secondary chambers and interconnecting...
- Tri****ic to the present,
characterized by
chambers arranged in a low
trochospiral; an
umbilical or
interiomarginal aperture, with or
without supplementary...
- the Cretaceous,
described by
Loeblich and Tappan, 1961, as: Test free,
trochospiral, biconvex, umbilicate,
periphery rounded with no
indication of keel or...
- part of the Nonionacea, s****, or tests, of
which are
planispiral or
trochospiral,
calcareous and
finely perforate.
Includes the Nonioninae, Pulleniinae...
