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Fossil mineralised plates
Apatitic scale microfossils are a group of reticulate phosphatic plates found in the Neoproterozoic (810 million years ago) strata of the Fifteenmile Group
Scale_microfossils
Fossil that requires the use of a microscope to see
composition of microfossil remains rather than on taxonomic or ecological distinctions. Siliceous microfossils: Siliceous microfossils include diatoms
Microfossil
Organic-inorganic composite material produced by some molluscs
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Nacre
Branch of paleontology that studies microfossils
studies microfossils, or fossils that require the use of a microscope to see the organism, its morphology and its characteristic details. Microfossils are
Micropaleontology
Soft, siliceous sedimentary rock
in New Zealand, but mining of the Foulden Maar deposits on an industrial scale, for conversion to animal feed, has drawn strong opposition. Diatomaceous
Diatomaceous_earth
Any polyatomic anion containing silicon and oxygen
Such equilibria are relevant to the processes occurring on geological time scales. Some plants excrete ligands that dissolve silicates, a step in biomineralization
Silicate
Extinct genus of jawless fishes
addition to whole specimens and scale microfossils of B. elegans, which are found in Great Britain and Scandinavia, scales of a second species, B. robusta
Birkenia
Accumulation of calcium salts in bodily tissue, usually bone
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Calcification
Part of arthropods
refer to those parts of an insect's body lacking in setae (bristles) or scales. Chemically, chitin is a long-chain polymer of a N-acetylglucosamine, which
Arthropod_exoskeleton
Exoskeleton of an animal in the phylum Mollusca
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Mollusc_shell
External skeleton of an organism
Ankylosaurs is constructed of bone; crocodiles have bony scutes and horny scales. Since exoskeletons are rigid, they present some limits to growth. Organisms
Exoskeleton
Structural element of sea sponges
Sponge spicules Spicules of sponge (SEM) Network of sponge spicules Microfossil Jones, Adam C.; Blum, James E.; Pawlik, Joseph R. (2005-08-08). "Testing
Sponge_spicule
Hard shell of some spherical marine animals
Saraswati, Pratul Kumar; Srinivasan, M. S. (2015). "Calcareous-Walled Microfossils" ( (PDF)). Micropaleontology. Cham, Switzerland: Springer International
Test_(biology)
Hard, brittle internal structure found in all members of the family Sepiidae
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Cuttlebone
Internal support structure of an animal
digestive systems, these predatory sponges rely on symbiotic organisms such as scale worms and microbes to help digest the seized prey and release nutrients
Endoskeleton
Shield for the ventral and dorsal parts of turtles
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Turtle_shell
Part of the body of a gastropod or snail
waters to become acidic. Eggshell fragments are present in only two microfossil sites, both of which are predominated by the preserved shells of invertebrate
Gastropod_shell
Process by which living organisms produce minerals
crystal morphology and composition. Examples include micro- to nanometer-scale crystals of various morphologies. Biological mineralization can also take
Biomineralization
Biological tissues incorporating minerals
throughout several length-scales, from macro to micro to nano, which results in the dissipation of energy within the arrangement. These scales or hierarchical structures
Mineralized_tissues
Unicellular algae responsible for the formation of chalk
special calcium carbonate plates (or scales) of uncertain function called coccoliths, which are also important microfossils. However, there are Prymnesiophyceae
Coccolithophore
Hard, protective outer layers created by an animal that lives in the sea
and cleaned, specifically for the commercial trade. This type of large-scale exploitation can sometimes have a strong negative impact on local ecosystems
Seashell
Protective shell of a type of eukaryotic organism
skeletons of many protists survive over geological time scales as microfossils. Microfossils are fossils that are generally between 0.001mm and 1 mm in
Protist_shell
Fossils from the Ediacaran and Cambrian periods
phosphatized fossils remain after the rock is dissolved away. Preservation of microfossils by phosphate seems to have become less common after the early Cambrian
Small_shelly_fauna
Breakdown of organic matter to simple chemicals by living organisms
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Remineralisation
Biogenic pelagic sediment located on the deep ocean floor
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Siliceous_ooze
Geological petrification process
drills. The presence of biogenic silica in various species creates a large-scale marine silica cycle that circulates silica through the ocean. Silica content
Silicification
Shell formation mechanism
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Marine_biogenic_calcification
American paleontologist
PMC 3158185. PMID 21810989. Cohen, Phoebe A.; Knoll, Andrew H. (2012). "Scale microfossils from the mid-Neoproterozoic Fifteenmile Group, Yukon Territory". Journal
Andrew_H._Knoll
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Biocrystallization
Hard outer layer of diatoms
the field of optics, along with other cells, such as those in butterfly scales. As the diatom prepares to separate it undergoes several processes in order
Frustule
Calcium carbonate scales covering some phytoplankton species
readily fossilised. They are found in sediments together with similar microfossils of uncertain affinities (nanoliths) from the Upper Triassic to recent
Coccolith
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Immobilization_(soil_science)
Shell-like protective outer covering of organisms
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Lorica_(biology)
Phylum of amoeboid protists
reconstruct ancient ocean currents. The oil industry relies heavily on microfossils such as forams to find potential hydrocarbon deposits. For the same reasons
Foraminifera
Aspect of marine biology
opposite temperature gradient. Temperature is changing on a larger time scale as well, with predicted temperature changes slowly increasing both freshwater
Shell_growth_in_estuaries
Geological stratum or deposit containing bones
(72 km). It is almost completely made up of fragments of spines, teeth and scales of ganoid fish. Another well-known bed, formerly known as the Bristol or
Bone_bed
Group of amoebae with shells
Shi, Xiaoying; Chen, Anfeng; Tang, Dongjie (1 July 2026). "Vase‐Shaped Microfossils From North China Suggest an Earlier Origin of Protozoa at ~1.56 Ga".
Testate_amoebae
Fourth era of the Archean Eon
resembling present day siphonalean microalgae. However, the identity of these microfossils as eukaryotes is highly controversial and remains disputed. During this
Neoarchean
Geologic formation in Minnesota and Ontario
academic "stampede" to explore Precambrian microfossils from similar Proterozoic environments. While older microfossils have since been described, the Gunflint
Gunflint_chert
Earth may be as old as 4.3 billion years (or Ga) according to possible microfossils found in the Nuvvuagittuq belt in Quebec, Canada. It could also be 4
Earliest_known_life_forms
Class of microscopic fossils
nannofossils are a class of tiny (less than 30 microns in diameter) microfossils that are similar to coccoliths deposited by the modern-day coccolithophores
Calcareous_nannofossils
Bio-geochemical process
patent "Microbial Biocementation" by Murdoch University (Australia). A large scale (100 m3) have shown a significant increase in shear wave velocity was observed
Microbiologically induced calcite precipitation
Microbiologically_induced_calcite_precipitation
High-calcite region of the Southern Ocean
1029/2004GB002220. hdl:1912/3396. S2CID 3575218. O'Brien, C. J. (2015) "Global-scale distributions of marine haptophyte phytoplankton", PhD thesis, ETH Zürich
Great_Calcite_Belt
Calcium carbonate material echinoderms are made of
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Stereom
First period of the Neoproterozoic Era
occurred during the Tonian. Late Tonian sediments abound in vase-shaped microfossils that represent the earliest known testate amoebozoans. Stromatolites
Tonian
Protein family
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Engrailed_(gene)
Type of interface
skeleton Bone mineral Ossification Teeth, scales, tusks etc Limpet teeth Otolith otolithic membrane Scale microfossils Tusk Calcification amorphous calcium
Biointerface
Fossils produced by magnetotactic bacteria
magnetofossils can retain a record of paleorainfall variations on a shorter time-scale (hundreds of years), making a very useful recent history paleoclimate indicator
Magnetofossil
Carbon capture process in oceans
feed. Marine mammals provide important ecosystem services. On a global scale, they can influence climate, through fertilization events and the export
Biological_pump
Preserved remains or traces of organisms from a past geological age
years. Most of these Precambrian fossils are microscopic bacteria or microfossils. However, macroscopic fossils are now known from the late Proterozoic
Fossil
Study of organic evolution using fossils
evolutionary history of life. In this scientific quest, macrofossils, microfossils and trace fossils are typically analyzed. However, the 21st-century biochemical
Paleobiology
Reversal of direction of Earth's magnetic field
produced the first magnetic-polarity time scale in 1959. As they accumulated data, they continued to refine this scale in competition with Don Tarling and Ian
Geomagnetic_reversal
Preserved organic remains large enough to be visible without a microscope
activities that are large enough to be visible without a microscope. Microfossils, by contrast, require substantial magnification for evaluation by fossil-hunters
Macrofossil
Type of fossilization
in a marine environment. Some pyritized fossils include Precambrian microfossils, marine arthropods and plants. Permineralized fossils preserve the original
Permineralization
Shell of a particular type of protist
Saraswati, Pratul Kumar; Srinivasan, M. S. (2016), "Calcareous-Walled Microfossils", in Saraswati, Pratul Kumar; Srinivasan, M.S. (eds.), Micropaleontology:
Foraminifera_test
In the more delicate technique pioneered by Butterfield, individual microfossils are picked from sieved acid residues by hand. The sieving stage removes
Small_carbonaceous_fossil
X-ray 3D imaging method
used for small animals (in vivo scanners), biomedical samples, foods, microfossils, and other studies for which minute detail is desired. The first X-ray
X-ray_microtomography
Study of pollen and other acid-resistant microoscopic organic material
places. Palynomorphs are broadly defined as organic remains, including microfossils, and microscopic fragments of macroorganisms that are composed of acid-resistant
Palynology
Third and last period of the Neoproterozoic Era
type area of the Vendian on the basis of the abundant organic-walled microfossils, megascopic algae, metazoan body fossils and ichnofossils. The lower
Ediacaran
Part of the geologic Grand Canyon Supergroup
fossil Tawuia (Churnia circularis), and phosphatic scale microfossils. The vase-shaped microfossils are likely presentatives of either arcellinid testate
Chuar_Group
Hard, fine-grained sedimentary rock composed of cryptocrystalline silica
Saunders, Martin (November 2019). "Comparative multi-scale analysis of filamentous microfossils from the c. 850 Ma Bitter Springs Group and filaments
Chert
Period in Earth's history
and Tripathi, AB. (2007). Evidence of Archean life: Stromatolites and microfossils. Precambrian Research 158:141–155. Schopf, JW (2006). Fossil evidence
Early_Earth
Eukaryotes other than animals, plants or fungi
Ourasphaira Holozoa Bicellum Amoebozoa vase-shaped microfossils Cercozoa vase-shaped microfossils Foraminifera Radiolaria Euglenida Moyeria Haptophyta
Protist
Geologic formation in Western Australia
petrogenetic analysis has since shown the setting for the purported microfossils to be hydrothermal and this is widely supported. Consequently, many alternative
Pilbara_Craton
Cambrian strata
the fossils have survived. Acids dissolve the limestone, revealing the microfossils in a recovery process called "acid etching". To recover the fossils,
Orsten
Genus of tapejarid pterosaur
Montsechia, comes from this site. While most of the terrestrial plant microfossils from the formation are pteridophytes and gymnosperms, there is a significant
Europejara
Second period of the Mesoproterozoic Era
Columbia. The Dismal Lakes group ranging from 1590 to 1270 Mya hosts microfossils that are interpreted to be eukaryotes, with various species appearing
Ectasian
Any life form too small for the naked human eye to see that lives in a marine environment
rock made up of microfossils in the form of the frustules (shells) of single cell diatoms (click to magnify) Calcareous microfossils from marine sediment
Marine_microorganisms
Second period of the Neoproterozoic Era, with major glaciation
"Testate amoeba in the Neoproterozoic Era: evidence from vase-shaped microfossils in the Chuar Group, Grand Canyon". Paleobiology. 26 (3): 360–385. Bibcode:2000Pbio
Cryogenian
Geologic eon, 2500–539 million years ago
(February 2019). "New record of organic-walled, morphologically distinct microfossils from the late Paleoproterozoic Changcheng Group in the Yanshan Range
Proterozoic
Second age of the Late Cretaceous epoch
Cretaceous: [1] and [2], at the website of Norges Network of offshore records of geology and stratigraphy Turonian Microfossils: 48 images of Foraminifera
Turonian
tuff and conglomerates. The formation also preserves a sparse record of microfossils. The Gibbett Hill Formation was originally simply referred to as the
Gibbett_Hill_Formation
First epoch of the Ordovician period
Ordovician (Floian) strata of the San Juan Formation, Argentina, the oldest microfossils, known as calcispheres or calcitarchs, are present. Early forms reached
Early_Ordovician
with a microbial origin of the studied microfossils, is presented by Lu et al. (2026). Phosphatized microfossils with morphological similarities to radiolarians
2026_in_paleontology
Act of preparing fossils for research or exhibition
fossil preparators. Acid maceration is a technique to extract organic microfossils from a surrounding rock matrix using acid. Hydrochloric acid or acetic
Fossil_preparation
Geologic age in the Late Cretaceous
the Late Cretaceous, at the website of Norges Network of offshore records of geology and stratigraphy Campanian Microfossils: 75+ images of Foraminifera
Campanian
Third age of the early Cretaceous
Lower Cretaceous, at the website of Norges Network of offshore records of geology and stratigraphy Hauterivian Microfossils: 25+ images of Foraminifera
Hauterivian
Group of extinct worm-like animals with legs
spines, which are commonly preserved as carbonaceous or mineralized microfossils in Cambrian strata. The grouping is considered to be paraphyletic, as
Lobopodia
Life of the Ediacaran period
with similar biotic forms now reported from differing paleolatitudes. Microfossils dating from 632.5 million years ago – just 3 million years after the
Ediacaran_biota
Extinct genus of bony fishes
Trinajstic, Kate; Young, Gavin C. (2019-02-27). "Late Silurian vertebrate microfossils from the Carnarvon Basin, Western Australia". Alcheringa: An Australasian
Andreolepis
Group of late Mesozoic formations in the Central Valley of California
assemblage of fossils that includes microfossils, plant remains, invertebrate marine creatures, and vertebrates. The microfossils are particularly important,
Great_Valley_Sequence
First Series of the Silurian
Llandovery) Juuru stage (Earliest Silurian: early Llandovery) Spores and plant microfossils have been found in China and Pennsylvania. There was some movement to
Llandovery_Epoch
Earth history, 1.8 to 0.8 billion years ago
Prokaryotes were the dominant lifeforms throughout the Boring Billion. Microfossils indicate the presence of cyanobacteria, green and purple sulfur bacteria
Boring_Billion
viii (natural) This park features a large number of stromatolites and microfossils. It demonstrates the effect of the Great Oxidation Event on the development
List of World Heritage Sites in India
List_of_World_Heritage_Sites_in_India
exposed in Comley, Shropshire, England. It is known for its phosphatic microfossils, which can be extracted by acid maceration and are preserved in three
Comley_Limestone
First era of the Proterozoic Eon
(February 2019). "New record of organic-walled, morphologically distinct microfossils from the late Paleoproterozoic Changcheng Group in the Yanshan Range
Paleoproterozoic
disarticulated remains of a fish found in the fossil record, most often a scale, denticle or tooth. Ichthyoliths are found in nearly all marine sediment
Ichthyolith
Stratigraphy which assigns ages of rock strata by using fossils
as index fossils that are widely used in biostratigraphy. Species of microfossils such as acritarchs, chitinozoans, conodonts, dinoflagellate cysts, ostracods
Biostratigraphy
Geologic formation in Mongolia
the Kheseen microfossils is noted to rival what is seen in the Weng'an microfossils, as well as later phosphatized Cambrian microfossils. The Weng'an
Kheseen_Formation
roughly the year 2000, formal research projects (using molecular data, microfossil botanical techniques, remote sensing, and plant genetics) have resurrected
Pre-Columbian agriculture in the Amazon Basin
Pre-Columbian_agriculture_in_the_Amazon_Basin
change in the 1950s with the discovery of more stromatolites along with microfossils of the bacteria that built them, and the publication of a series of papers
History_of_paleontology
First epoch of the Quaternary Period
southern high plains, 1975, edited by Wendorf and Hester. Pleistocene Microfossils: 50+ images of Foraminifera Stepanchuk V.N., Sapozhnykov I.V. Nature
Pleistocene
Scientific study of ancient diseases and injuries
Biochronology Geochronology Geologic formation Geologic record Geologic time scale Geological map Lagerstätte Stratigraphy Extinction Extinction Extinction
Paleopathology
Geologic sequence in Quebec, Canada
co;2. James Griffiths; Judith Vonberg (March 2017). "World's oldest microfossils found, study says". CNN. Retrieved 2017-03-07. Zimmer, Carl (2017-03-01)
Nuvvuagittuq_Greenstone_Belt
Latest age of the Pliocene
timescale at the website of the Norwegian network of offshore records of geology and stratigraphy Piacenzian Microfossils: images of Piacenzian Foraminifera
Piacenzian
c. 460 Ma – First crinoids evolve. c. 450 Ma – Late Ordovician microfossils of scales indicate the earliest evidence for the existence of jawed fish or
Timeline_of_Earth
Unmineralized body scales are secreted to cover the cell, including smaller "lacey" body scales and larger, more densely structured baseplate scales. However,
Calcidiscus_leptoporus
Genus of Cambrian animals
Thomas H. P. (September 2013). "Beyond the Burgess Shale: Cambrian microfossils track the rise and fall of hallucigeniid lobopodians". Proceedings of
Hallucigenia
Geologic formation in Western Australia
Sugitani, K., 2019. Early Archean (Pre-3.0 Ga) cellularly preserved microfossils and microfossil-like structures from the Pilbara Craton, Western Australia—a
Dresser_Formation
chemotaxonomy of early life on Earth Linking biological affinities of both microfossils and macrofossils These applications are discussed in details in the later
Geology applications of Fourier transform infrared spectroscopy
Geology_applications_of_Fourier_transform_infrared_spectroscopy
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SCALE MICROFOSSILS
SCALE MICROFOSSILS
Boy/Male
English American Hebrew
Bold; Surname derived from Charles.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil, Telugu
Seventh Note on Indian Musical Scale
Boy/Male
Biblical
The scape-goat.
Boy/Male
Arabic, Muslim
Balance; Scales
Girl/Female
African, Arabic
Scale
Surname or Lastname
English
English : from Middle English sale ‘hall’, a topographic name for someone living at a hall or manor house, or a metonymic occupational name for someone employed at a hall or manor house.English : from Middle English salwe ‘sallow’ (a tree, a kind of willow), hence a topographic name for someone who lived by a sallow tree, or a habitational name from for example Sale in Greater Manchester, named from the old dative form of this word, in atte sale.French (Salé) : from Old French salé ‘salty’, hence a topographic or occupational name for someone who lived by or worked in a salt marsh, or, in a figurative sense, a nickname for an amusing or witty person.
Boy/Male
Tamil
Balance scale, Zodiac sign libra
Boy/Male
Muslim
Balance, Scales
Boy/Male
Shakespearean
Henry VI, Part 2' Lord Scales.
Biblical
the scape-goat
Boy/Male
Indian
Balance, Scales
Boy/Male
Tamil
Cheerful, Seventh note on indian musical scale, Awesome
Boy/Male
Muslim
Balance, Scales
Boy/Male
Hindu, Indian, Marathi
Scale Holder
Boy/Male
Bengali, Hindu, Indian, Kannada, Marathi, Telugu
Balance Scale; Zodiac Sign Libra
Surname or Lastname
English
English : variant of Seal 1–4; it is also established as a surname in Ireland.
Boy/Male
African, Arabic, Swahili
Expensive; Scare; Costly
Male
English
Short form of English Caleb, CALE means "dog" or "rabid."
Surname or Lastname
English (Devon)
English (Devon) : variant of Small.
Boy/Male
American, Arabic, Australian, British, Chinese, Christian, English, Hebrew
Dog; Bold; Surname Derived from Charles; Courageous
SCALE MICROFOSSILS
SCALE MICROFOSSILS
SCALE MICROFOSSILS
SCALE MICROFOSSILS
SCALE MICROFOSSILS
SCALE MICROFOSSILS
SCALE MICROFOSSILS
a.
Resembling scales, laminae, or layers.
n.
A small appendage like a rudimentary leaf, resembling the scales of a fish in form, and often in arrangement; as, the scale of a bud, of a pine cone, and the like. The name is also given to the chaff on the stems of ferns.
n.
Hence, any layer or leaf of metal or other material, resembling in size and thinness the scale of a fish; as, a scale of iron, of bone, etc.
n.
Scurf on the head. See Scall.
n.
A scale insect. (See below.)
a.
Composed of scales lying over each other; as, a scaly bulb; covered with scales; as, a scaly stem.
pl.
of Scala
a.
Without scales, or with the scales removed; as, scaled herring.
n.
The graduated series of all the tones, ascending or descending, from the keynote to its octave; -- called also the gamut. It may be repeated through any number of octaves. See Chromatic scale, Diatonic scale, Major scale, and Minor scale, under Chromatic, Diatonic, Major, and Minor.
v. t.
To weigh or measure according to a scale; to measure; also, to grade or vary according to a scale or system.
a.
Having feathers which in form, color, or arrangement somewhat resemble scales; as, the scaled dove.
n.
A basis for a numeral system; as, the decimal scale; the binary scale, etc.
a.
Covered or abounding with scales; as, a scaly fish.
a.
Mean; low; as, a scaly fellow.
imp. & p. p.
of Scale
a.
Resembling a scale; also, covered with scales; scaly.
a.
Scale-winged.
v. t.
To strip or clear of scale or scales; as, to scale a fish; to scale the inside of a boiler.
a.
Scurvy; paltry; as, scald rhymers.
v. t.
To deprive of the scalp; to cut or tear the scalp from the head of.
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