Foraminiferal tests are the tests (or shells) of Foraminifera. Foraminifera (forams for short) are single-celled predatory protists, mostly marine, and...
30 KB (3,215 words) - 17:56, 22 May 2025
through molecular analysis of small subunit ribosomal DNA. Foraminifera typically produce a test, or shell, which can have either one or multiple chambers...
87 KB (8,505 words) - 15:07, 22 May 2025
The test of foraminifera, a group of single-celled organisms, is extremely evolutionarily diverse. Many different methods of constructing the test are...
12 KB (1,197 words) - 12:39, 23 May 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
16 KB (1,651 words) - 05:23, 31 October 2024
the deposit (diagenesis, silica (SiO2) dissolution/precipitation, diatoms tests ageing). The species of diatom may also differ among deposits. The species...
41 KB (4,409 words) - 08:04, 12 April 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
11 KB (1,257 words) - 17:59, 21 May 2025
Broecker, Wallace; Clark, Elizabeth (2009). "Ratio of coccolith CaCO3to foraminifera CaCO3in late Holocene deep sea sediments". Paleoceanography. 24 (3)....
25 KB (2,538 words) - 20:02, 17 September 2024
the case of sea squirts, supported by a cellulose exoskeleton known as a test), chordate bodies are developed along an axial endoskeleton derived from...
16 KB (1,824 words) - 09:00, 10 May 2025
sulfides greigite and pyrite.[citation needed] Some organisms, such as some foraminifera, agglutinate exoskeletons by sticking grains of sand and shell to their...
19 KB (2,162 words) - 07:30, 27 January 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
8 KB (943 words) - 19:49, 4 October 2023
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
17 KB (1,907 words) - 07:53, 24 August 2023
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
5 KB (487 words) - 02:50, 9 November 2021
that allow for gas exchange and nutrient uptake. Coccolithophores and foraminifera also have hard protective shells, but the shells are made of calcium...
41 KB (3,843 words) - 16:47, 23 May 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
21 KB (2,346 words) - 18:10, 13 May 2025
deformation mechanism as well as its toughness. Tensile, shear, and compression tests, Weibull analysis, nanoindentation, and other techniques have all been used...
37 KB (4,054 words) - 23:45, 21 May 2025
teeth with calcified pulp will typically respond negatively to vitality testing; teeth with calcified pulp often lack sensation of pain, pressure, and...
9 KB (925 words) - 23:26, 16 September 2024
silicate shells. Foraminifera and coccolithophores create shells known as "tests" which are made of calcium carbonate. These shells and tests are usually microscopic...
41 KB (4,839 words) - 16:02, 6 February 2025
Marine biogenic calcification (section Foraminifera)
the life cycle of some marine organisms, including corals, mollusks, foraminifera, certain types of plankton, and other calcifying marine invertebrates...
64 KB (7,212 words) - 07:40, 26 February 2025
As another example, many fossil genera of Foraminifera, which are protists are known from shells (called tests) that were as big as coins, such as the genus...
61 KB (6,338 words) - 16:37, 23 May 2025
2025 in paleontology (section Foraminifera)
Martindale, R. C.; Simpson, C.; Fraass, A. J. (2025). "Record of Foraminifera test composition throughout the Phanerozoic". Proceedings of the Royal...
153 KB (13,342 words) - 16:00, 23 May 2025
Working Group reported finding nickel and iron splash droplets fused to foraminifera tests in slides taken from deep-ocean core samples near Burckle Crater,...
7 KB (705 words) - 12:57, 23 April 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
14 KB (1,531 words) - 21:30, 22 May 2025
despite some of them having tests, are not counted amongst testate amoebae; this comprises genus Gromia and the Foraminifera (both in Rhizaria). The Thecamoebida...
16 KB (1,237 words) - 01:35, 18 December 2024
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
6 KB (708 words) - 05:25, 12 May 2023
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
10 KB (1,050 words) - 04:01, 25 July 2024
CaCO3. The most common polymorphs in biomineralization are calcite (e.g. foraminifera, coccolithophores) and aragonite (e.g. corals), although metastable vaterite...
97 KB (10,440 words) - 20:45, 22 May 2025
Choanoflagellate lorica Protist shell coccosphere coccolith diatom frustule foraminifera test testate amoebae Seashell echinoderm stereom mollusc shell nacre chiton...
41 KB (4,753 words) - 14:46, 21 December 2023
Monothalamea (category Foraminifera classes)
grouping of foraminiferans, traditionally consisting of all foraminifera with single-chambered tests. Recent work has shown that the grouping is paraphyletic...
6 KB (471 words) - 18:43, 21 May 2025
SERIES iron-enrichment experiments have introduced iron into ocean basins to test if this increases the rate of carbon dioxide uptake by diatoms and ultimately...
25 KB (3,119 words) - 16:59, 9 March 2025
Period (HWP), stimulated increased productivity in planktonic and benthic foraminifera, which in turn, resulted in higher levels of sedimentation. Furthermore...
13 KB (1,564 words) - 20:43, 7 January 2025