Protozoa Collection (#5)

Fossil foraminifera necklace C016 / 5995
Fossil foraminifera (Alveolina sp.) necklace from Sindh, India. The fossils are from Eocene limestone. Necklace from John Whittakers cabinet. Natural History Museum, London, UK

Foraminiferan shell, SEM C018 / 0312
Foraminiferan shell, SEM

Paramecium sp. protozoa (SEM) C014 / 2148
Paramecium protozoa. Coloured scanning electron micrograph (SEM) of Paramecium sp. protozoa. These single-celled organisms are aquatic, being found in freshwater habitats

Radiolarian, SEM C014 / 4862
Radiolarian. Coloured scanning electron micrograph (SEM) of the shell or test of a radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

Radiolarian, SEM C014 / 4863
Radiolarian. Coloured scanning electron micrograph (SEM) of the shell or test of a radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

Radiolaria, light micrograph C014 / 4672
Radiolaria. Collection of light micrographs showing various different species of radiolaria. Radiolaria (or radiolarians) are amoeboid protozoa that produce intricate mineral skeletons

Ciliate protozoan, light micrograph C014 / 4676
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Ciliate protozoan, light micrograph C014 / 4667
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Foraminiferan, darkfield light micrograph. Foraminifera are marine single-celled protozoa that construct and inhabit shells composed of several chambers

Amoeba protozoa, light micrograph C016 / 8607
Amoeba protozoa. Interphase contrast light micrograph of two Amoeba sp. protozoa eating each other, showing its numerous pseudopodia (cytoplasmic extensions, leg-like)

Foraminifera, light micrograph C016 / 8597
Foraminifera. Interphase contrast light micrograph of a selection of different foraminifera. Foraminifera are marine single-celled protozoa that construct

Ciliate protozoan, light micrograph C016 / 8593
Ciliate protozoan. Differential interference contrast (DIC) light micrograph of a ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Hypotrich protozoan, light micrograph C016 / 8592
Hypotrich protozoan. Differential interference contrast (DIC) light micrograph of a Euplotes sp. hypotrich ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Hypotrich protozoan, light micrograph C016 / 8590
Hypotrich protozoan. Differential interference contrast (DIC) light micrograph of a Euplotes sp. hypotrich ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Ciliate protozoan, light micrograph C016 / 8582
Ciliate protozoan. Differential interference contrast (DIC) light micrograph of a ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Paramecium bursaria protozoan C016 / 8579
Paramecium bursaria protozoan, phase-contrast light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Amoeba protozoan, light micrograph C016 / 8578
Amoeba protozoan. Phase-contrast light micrograph of an Amoeba sp. protozoan, showing its numerous pseudopodia (cytoplasmic extensions, leg-like)

Evolution, conceptual image. Computer artwork representing the development of life on earth from single-celled organisms (upper left) through to complex lifeforms such as dinosaurs (centre)

Spirostomum protozoa C017 / 8347
Spirostomum protozoa. This large, elongated, single-celled creature has tiny, hair-like structures (cilia) along the length of its body

Fossilised foraminiferan, SEM C015 / 5772
Fossilised foraminiferan. Scanning electron micrograph (SEM) of a section through the fossilised shell of a foraminiferan in a sample of limestone

Vorticella protozoan, light micrograph
Vorticella protozoan. Rheinberg illuminated light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

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

Blepharisma protozoan, light micrograph
Blepharisma protozoan. Differential interference contrast micrograph of a Blepharisma japonicum protozoan. These ciliate protozoa move by beating their cilia

Blepharisma protozoa, light micrograph
Blepharisma protozoa. Differential interference contrast micrograph of Blepharisma japonicum protozoa. These ciliate protozoa move by beating their cilia

Trypanosomes in blood smear, SEM C016 / 5783
Parasitic protozoan. Coloured scanning electron micrograph (SEM) of trypanosome protozoa (Trypanosoma sp.) in a blood smear

Vorticella protozoa, light micrograph C016 / 3042
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Vorticella protozoan, light micrograph C016 / 3043
Vorticella protozoan. Differential interference contrast (DIC) light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

Vorticella protozoa, light micrograph C016 / 3041
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Vorticella protozoa, light micrograph C016 / 3040
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Dinoflagellate protozoan, SEM C013 / 5111
Dinoflagellate protozoan, scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. About 90 percent are found in marine environments as plankton

Chlamydomonas sp. algae, SEM
Green algae. Coloured scanning electron micrograph (SEM) of two Chlamydomonas sp. green algae. These single-celled organisms are aquatic, living in freshwater habitats

Foraminifera and ostracods models
Bees wax models of foraminifera and ostracods made by Clive Sheppard for an exhibition in the Invertebrates Gallery, at the Natural History Museum, London

Foraminifera models
One drawer containing some of d Orbigny models and slides previously displayed alongside the models in the galleries

Foraminifera
Part of the display of foraminifera from The Great Exhibition of 1851. Featured are specimens from the London Clay, the Paris Basin and the Gulf of Suez

Difflugia Corona
Freshwater Testate Amoebae. Magnification x 450

Trypanosomes
Scanning electron microscope image showing a trypanosoma blood smear. They have proved to be of great interest as they have evolved very differently to other better studied organisms

Myxomycetes, plasmodial slime mould
Scanning electron microscope image of a plasmodial slime mould spore (x12000). This mould spends most of its life as a single cell; when they reproduce they form a slug-like blob that can travel

Acanthowetra
A photograph of a foraminifera found in the Indian Ocean

Foraminiferan remains from the White Cliffs of Dover, U.K. The cliffs are made up of unimaginable numbers of chalky shells of long dead marine animals

Minakatella longifila, slime mould

Amoeba - Phase contrast
JC-183 AMOEBA - PHASE CONTRAST John Clegg contact details: prints@ardea.com tel: +44 (0) 20 8318 1401

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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.