Protozoa Collection

Acrosphaera radiolarian, SEM
Acrosphaera radiolarian. Coloured scanning electron micrograph (SEM) of the shell of a Acrosphaera sp. radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

Calcareous phytoplankton fossil, SEM Z100 / 0213
Calcareous phytoplankton fossil. Coloured scanning electron micrograph (SEM) of a fossil of the skeleton (coccosphere) of a coccolithotrope, a small marine algal organism

Trypanosome protozoan, artwork
Trypanosome protozoan. Artwork of a section through a Trypanosoma congolense protozoan. This parasite is a cause of the disease nagana in cattle and other livestock in Africa

Plasmodium sp. malarial parasite
Scanning electron microscope image of a malarial protozoal parasite. The parasite requires the anopheles mosquito to complete its life cycle

Protozoa, a single-celled organism that feeds by scavenging for particles and other microorganisms, such as bacteria, or by absorbing nutrients from their environment

Foraminiferan test (shell) SEM
Foraminiferan test or shell (Elphidium crispum) lateral view, coloured scanning electron micrograph (SEM)

Light Micrograph (LM): Protozoans: Kidney shaped ciliate surrounded by Euglena sp
LRDS-316 Light Micrograph (LM): Protozoans: Kidney shaped ciliate surrounded by Euglena sp. Magnification x 900 (when printed A4, 29.7 cm wide) Tillina sp

Malaria plasmodium enlarged under a microscope. Summer-Fall fever. Semi-lunar shapes. Date of Photograph:1872-1915 ca

Foraminifera, light micrograph C016 / 8597
Foraminifera. Interphase contrast light micrograph of a selection of different foraminifera

Diatoms
Selected slide of a group of fossil diatoms collected from Bori, Hungary in September 1895 and viewed under the light microscipe using differential interfereance contrast

Foraminifer model
Model of typical nummulitic foraminfer after Zittel

Acantharia Radiolaria protozoa species: Xiphacantha species 1, Stauracantha spinulosa 2, Phyllostauridae species 3, Pristacantha polyodon 4, Lithopteridae species 5, Gigartaconidae species 6, 7

Head of the Anopheles Mosquito showing the female mouthparts. Engraving, 1912
527390 Head of the Anopheles Mosquito showing the female mouthparts

Ronald Ross (1857-1932) British physician, c.1902 (b/w photo)
527308 Ronald Ross (1857-1932) British physician, c.1902 (b/w photo); (add.info.: Discovered the Malaria parasite and its life cycle)

Hydatina scrita and Hematococcus nivalis protozoa enlarged under a microscope. Date of Photograph:1913

Hydatina scrita and Hematacoccus nivalis micro-organisms, enlarged under a microscope. Date of Photograph:04/1913

Ciliate protozoa, Paramecium putrinum, enlarged under a microscope. Date of Photograph:04/1914

Carchesium polypinum: ciliate protozoa enlarged under a microscope. Date of Photograph:1897

Negri bodies present in the cell of the of the Horn of Ammon of a rabid cow, enlarged under a microscope. Date of Photograph:1900-1915 ca

Protozoa of babesia canis in bone marrow: blood parasite in mammals, enlarged under a microscope (Haemosproidia). Date of Photograph:1872-1915 ca

Babesia canis in bone marrow, enlarged under a microscope. Date of Photograph:1872-1915 ca

Plasmodium of the Colobus Guereza monkey, enlarged under a microscope. Date of Photograph:1872-1915 ca

Microscopic enlargement of the parasite of the Tertian fever. Date of Photograph:1900-1915 ca

Microscopic enlargment of the malaria cists in the stomach of Anopheles, the malaria mosquito. Date of Photograph:1900-1915 ca

Miocroscopic enlargement of Sporozoi, parasite protozoans. Date of Photograph:1888-1915 ca

Clamidococcus nivalis (Alga) enlarged under a microscope. The protozoa fell with the rain in October 1900, in Florence. Date of Photograph:12/1902

Haematococcus pluviatis: Phitomonadino, enlarged under a microscope. Date of Photograph:1888

Section of the stomach of an Anopheles, Amfionte (Zygote); fertilized macrospore in this image, enlarged under a microscope. Date of Photograph:1888

Types of Tripanosoma Abissinicum, Theileri, and Piroplasma ligem, belonging to the Bovis species, enlarged under a microscope. Date of Photograph:1872-1915 ca

Protozoa flagellata: Tripanosoma abissinicum found in the ox, enlarged under a microscope. Date of Photograph:1872-1915 ca

Spirochaeta pallida bacterium: unicellular micro-organism with a stretched spiral shape, enlarged under a microscope. Date of Photograph:1900-1915 ca

Paramoecion putrinum: ciliate protozoa enlarged under a microscope. Date of Photograph:1897

Bigeminum babesia in oxen: protozoa enlarged under a microscope(Haemosproidia). Date of Photograph:1872-1915 ca

Tropical babesia in oxen: illness owed to parasite protozoa (pyroplasma) in the blood of mammals, transmitted by ticks (Haemosproidia). Enlarged under a microscope. Date of Photograph:1872-1915 ca

Pigeon blood with Datulewski Plasmodium, enlarged under a microscope. Date of Photograph:1900-1915 ca

Ceratium tripos: protozoa belonging to the Flagellati, enlarged under a microscope. Date of Photograph:04/1914

Hematococcus nivalis, belonging to the Clamido-monadine family, enlarged under a microscope. Date of Photograph:04/1913

Tripanosoma in the blood, enlarged under a microscope. Date of Photograph:1900-1915 ca

Protozoa flagellata: Tripanosoma abissinicum found in horses, enlarged under a microscope. Date of Photograph:1872-1915 ca

Hydatina scrita: microscopic fresh-water animal, belonging to the rotifers, endowed with two rows of a vibratile mantle situated around the mouth, which are also used for movementt

Ciliate protozoa, Paramecium aurelia, enlarged under a microscope (Enchelida). Date of Photograph:1914

Ematic alterations in oxen, enlarged under a microscope. Date of Photograph:1872-1915 ca

Tropical babesia in oxen (Haemosproidia), enlarged under a microscope. Date of Photograph:1872-1915 ca

Sarcocystis bovis (Sarcosporidia) enlarged under a microscope. Date of Photograph:1872-1915 ca

Euglena viridis (Mastigophora-Flagellati) enlarged under a microscope. Date of Photograph:1914

Hematococcus nivalis, belonging to the Phitomonadine family, enlarged under a microscope. Date of Photograph:04/1913

Volvox globator: infusorians, flagellati enlarged under a microscope. Date of Photograph:1897

Types of protozoa flagellata: Tripanosoma Abissinicum, belonging to the Bovis species, enlarged under a microscope. Date of Photograph:1872-1915 ca

Mastigophora flagellata: Tripanosoma abissinicum and Piroplasma tigeminum enlarged under a microscope. Date of Photograph:1872-1915 ca

Phagocytosis of the protozoa, flagellata: Tripanosoma-Pirosoma, enlarged under a microscope. Date of Photograph:1872-1915 ca

Plate 1 Circogonia Phaeodaria from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919)
5615747 Plate 1 Circogonia Phaeodaria from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919) by Haeckel

Plate 22 Elaphospyris Spyroidea from Kunstformen der Natur (Art Forms in Nature)
5615739 Plate 22 Elaphospyris Spyroidea from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919) by Haeckel

Radiolaria (engraving)
5216884 Radiolaria (engraving) by German School, (19th century); Private Collection; (add.info.: Radiolaria)

The Tree of Life and the Evolution of Man, 1901 (b / w engraving)
3035956 The Tree of Life and the Evolution of Man, 1901 (b/w engraving) by American School, (20th century); (add.info.: Vintage illustration of the tree of life)

Rotatoria protozoa species: Hexarthra mira 1, Lacinularia flosculosa 2, Polyarthra species 3, Testudinella patina 4, Stephanoceros fimbriatus 5, Euchlanis dilatata 6, Platyias quadricornis 7

Cyrtoidea or radiolaria protozoa skeletons: Artostrobiidae species 1, Clathrocanium reginae 2, Pterocorythidae species 3, Lipmanella bombus 4, Theoperidae species 5, Thyrsocyrtis species 6

Foraminifera, marine creeping protozoa
Thalamophora or Foraminifera, marine creeping protozoa

A Microscopic View of a drop of Water (engraving)
2775127 A Microscopic View of a drop of Water (engraving) by Bacon

Carnivorous Plants, illustration from Wonders of the Land and Sea
IL352811 Carnivorous Plants, illustration from Wonders of the Land and Sea, published by Cassell, London, 1914 (colour litho) by Carreras

Computer art of radiolarians (from Ernst Haeckel)
Radiolarians. Computer-enhanced engraving of radiolarian species. These one-celled protozoan animals are found in marine plankton

Giardia lamblia protozoa, micrograph
Giardia lamblia protozoa, light micrograph. These single-celled parasitic protozoa infect the intestinal tract and are most common in tropical regions

Amoeba proteus, amoebae
A glass model of amoebae, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Microscopic view of Giardiasis, an infectious disease caused by a unicellular parasite known as Giardia lamblia

Microscopic view of protozoa. Leishmaniasis and dysentery are examples of diseases involving protozoa, often transmitted to humans by the bite of a parasite-carrying insect

LM of Vorticella ciliates on a green alga
Light micrograph of a group of Vorticella (small tethered balloons) adhering to the freshwater green alga Hydrodictyon (large green cells)

Paramecium sp. protozoan, SEM
Paramecium protozoan. Coloured scanning electron micrograph (SEM) of a Paramecium sp. protozoan. This single-celled organism is aquatic, living in freshwater habitats

Colour SEM of Podocyrtis cothurnata, a radiolarian
Radiolarian. Coloured scanning electron micrograph (SEM) of the test (skeleton) of a Podocyrtis cothurnata, a type of radiolarian protozoan

Euglena gracilis, SEM
Euglena gracilis protists. Coloured scanning electron micrograph (SEM) of Euglena gracilis protists. These organisms possess a unique combination of plant and animal characters. Like the algae, E

Amoeba protozoa, SEM
Amoeba protozoa. Coloured scanning electron micrograph (SEM) of four Amoeba sp. protozoa, showing their numerous pseudopodia (cytoplasmic extensions, leg-like)

Foraminifer
Scanning electron microscope (SEM) image of a foraminifer - a single celled organism

Light micrograph of a group of Euglena gracilis
Euglena gracilis. Light micrograph of a group of the single celled protozoa, Euglena gracilis

LM of the marine dinoflagellate, Ceratium sp
Dinoflagellate. Light micrograph of the marine dinoflagellate Ceratium. Found in both freshwater and saltwater, dinoflagellates are single-celled protozoa that float in the water column as plankton

Euglena gracilis protists. Light micrograph of a group of Euglena gracilis protists. These organisms possess a unique combination of plant and animal characters. Like the algae, E

Paramecium bursaria protozoan, micrograph
Paramecium bursaria protozoan, light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Paramecium protozoa, light micrograph
Paramecium bursaria protozoa, light micrograph. These ciliate protozoa inhabit freshwater, where they feed mainly on bacteria

Paramecium protozoan, light micrograph
Paramecium protozoan. Differential interference contrast micrograph of a Paramecium sp. protozoan. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Trichodina parasite, light micrograph
Trichodina parasite. Differential interference contrast micrograph of Trichodina pediculus. This ciliate parasite lives on the skin, gills and mucous membranes of many aquatic animals

Dorataspis diodon, radiolarian
A glass model of a radiolarian, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Actinophrys sol, heliozoan
A glass model of a radiolarian, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Aulacantha scolymantha, radiolarian
A glass model of a radiolarian, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Africa. Native affected by sleeping sickness. Engraving by Thiriat, 1903. Colored

Lycogala epidendrum, Wolfs Milk
Watercolour on paper, c.1838 by Anna Russell (nee Worsley) (1807-1876). Held in the Library and Archives Date: circa 1838

Eucyrtidium cranoides, radiolarian
A glass model of a radiolarian, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Heliosphaera actinota, radiolarian
A glass model of a radiolarian, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

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Protozoa, the microscopic wonders of nature. From calcareous phytoplankton fossils to intricate artwork depicting Trypanosome protozoans, these single-celled organisms never cease to amaze. Take a closer look through the lens of SEM Z100 / 0213 and discover the mesmerizing beauty of their world. In one frame, we witness Plasmodium sp. , a malarial parasite that wreaks havoc on human health. Its complex structure reminds us of the delicate balance between life and disease. But not all it can harmful; many lead fascinating lives as scavengers or nutrient absorbers. Through light micrograph LM, we observe a kidney-shaped ciliate surrounded by Euglena sp. , showcasing their feeding habits at an astonishing magnification of x900. Diatoms, another group of protozoa, steal our attention with their intricate patterns and shapes. Acrosphaera radiolarian captivates us in its SEM image, displaying its ornate exoskeleton that protects it from predators. Foraminiferan tests (shells) take center stage in another SEM capture. These tiny structures tell stories about ancient oceans and provide valuable insights into Earth's history. Moving away from imagery, we encounter models representing foraminifera - miniature replicas that aid scientists in understanding these remarkable creatures' behavior and evolution. Not limited to aquatic environments alone, some protozoa find residence within our own bodies as intestinal parasites. TEM images reveal their presence while reminding us to prioritize hygiene and health practices. Amongst them is Trichomonas vaginalis captured through TEM - a reminder that even seemingly harmless organisms can cause discomfort if left unchecked. Lastly, Cryptosporidium protozoa appear under TEM's watchful eye – highlighting the importance of water safety measures due to this organism's ability to contaminate drinking sources with potential health risks. Protozoa may be small in size, but their impact on our world is immense.