Eukaryotic Collection (#4)

Amphitetras, diatom
Scanning electron microscope (SEM) image showing the diatom Amphitetras with its ornate silica shell (x5000 on a standard 9 cm wide print). Coloured artificially by computer

Frontispiece of Catalogue Raisonne d une collection
Illustration by Francois Boucher from the book Catalogue Raisonne d une collection by Edme Francois Gersaint, 1744

Tonguestone (sharks tooth)
A sharks tooth from the species Oxyrhina. Specimen originates from the Globigerina Limestone, Miocene period, NW Malta

The pond in the Wildlife Garden. Photographed by Derek Adams. Published in Wildlife Garden by Roy Vickery, 2004 page 35

Ciliate plankton
Scanning electron microscope image of a ciliate showing clearly the microscopic hairs or cilia that they use for movement and feeding (x 700)

Fucus vesiculosis, bladderwrack
Illustration from Botany Library Plate Collection at the Natural History Museum, London. By Leopald Trattinick, 1825

Coccoliths
Scanning electron microscope (SEM) image of coccoliths, these are the limestone scales surrounding the marine phytoplankton coccolithophores

Acanthoica acanthifera

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

Spiral axis of Archimedes, bryozoan
Archimedes, was a bryozoan possibly living in association with an alga. From the Lower Carboniferous limestone, Iowa, USA. c. 350-330 million years old

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

Coccolithus pelagicus
Coccosphere of Coccolithus pelagicus, a common cold water coccolithophore. Collected from the British Continental shelf, North West of Scotland. Specimen diameter 15m. False-coloured SEM image

Florisphaera profunda
A coccolithophore with highly modified, plate-like coccoliths. This is a very common deep dwelleing species, typically living at about 100-150m depth in the water column

Ophiaster formosus
A coccolithophore with long appendages formed of strings of highly modified coccoliths. Collected from the West Pacific. Specimen diameter 50m. False-coloured SEM image

Pontosphaera japonica. A coccolithophore with relatively large, flat, coccoliths. Collected from off Hawaii. Specimen diameter 22m. False-coloured SEM image

Nummulites gizehensis, giant foraminiferan
Shown here is a giant foraminiferan originating from the Eocene of Egypt. Foraminifera are amoeba-like, single-celled protistids and can still be found in abundance today

Calyptrolithophora papillifera, holococcolith
An SEM of a holococcolith, a nano-fossil, with flat top

Iridaea edulis, seaweed
Plate 78 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Mesogloia multifida, seaweed
Plate 98 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. Vol. 2 1834-1840

Entromorpha clathrata, seaweed

Punctaria plantaginea, seaweed
Plate 206 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt 1834-1840

Codium tomemtosus, seaweed
Plate 35 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Rhodomenia reniformis, seaweed
Plate 19 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Chorda lomentaria, seaweed
Plate from Algae Danmonienses: or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Fucus crispus, kelp
Plate 217 from Fuci, or coloured figures and descriptions of the Plants referred by botanists to the genus Fucus (1808-1819), Volume III, by Mary Dawson Turner

Fucus saccatus, kelp
Plate 241 from Fuci, or coloured figures and descriptions of the Plants referred by botanists to the genus Fucus (1808-1819), Volume III, by Mary Dawson Turner

Fucus digitatus, kelp
Plate 162 from Fuci, or coloured figures and descriptions of the Plants referred by botanists to the genus Fucus (1808-1819), Volume III, by Mary Dawson Turner

Ulva pavonia, alga
Plate 15 from Drawings of Submerged Algae (1800) by Mary Dawson Turner. Held in the Botany Library at the Natural History Museum, London

Ulva lingulatam, alga
Plate 11 from Drawings of Submerged Algae (1800) by Mary Dawson Turner. Held in the Botany Library at the Natural History Museum, London

Lycoperdon coliforme
Plate 1 from Drawings of Submerged Algae (1800) by Mary Dawson Turner. Held in the Botany Library at the Natural History Museum, London

Chorda filum, seaweed
Herbarium sheet from the collection held at the Natural History Museum, London

Axopodorhabdus albianus, coccolith
Scanning electron microscope image of a Cretaceous coccolith from Folkestone Chalk (x 10, 000 on a standard 9 cm wide print)

Foraminiferal limestone
Nummulitic limestone made up of the hard parts of billions of foraminiferans

Thodomenia lacineata, seaweed
Plate 17 from Algae Danmonienses: or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt 1834-1840

Dictyota atomaria, seaweed

Chordaria flagellifornis, seaweed
Plate 57 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Asperoccus turneri, seaweed
Plate 59 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Fucus agarum, kelp
Plate 75 from Fuci, or coloured figures and descriptions of the Plants referred by botanists to the genus Fucus (1808-1819), Volume II, by Mary Dawson Turner

Chondus cripus, carrageen moss
Illustration from Algae Danmonienses: or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt; carefully named according to Dr. Hookers British Flora

Native necklace of fossil foraminifera (Alveolinae)
Native necklace of fossil foraminifera from John Whittakers cabinet, fossils dating from the Eocene Limestone, Sindh, India

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Eukaryotic organisms encompass a vast array of life forms, ranging from the microscopic to the towering kelp forests in our oceans. Take a closer look at these captivating hints that showcase the diversity and complexity of eukaryotes. Starting with budding yeast cells, we witness their remarkable ability to reproduce through cell division. Under the scanning electron microscope (SEM), dividing yeast cells reveal intricate structures and processes that contribute to their survival and proliferation. Moving on to pressed seaweed specimens, such as Dictyota dichotoma and Fucus bulbosus, we explore the fascinating world of marine algae. These eukaryotic organisms play crucial roles in ocean ecosystems by providing shelter for countless other species while also contributing to nutrient cycling. Delving deeper into microscopic wonders, we encounter Diatoms under SEM. These single-celled eukaryotes exhibit stunning geometric patterns on their silica-based shells. Their ecological significance cannot be overstated as they are responsible for a significant portion of Earth's oxygen production. Another mesmerizing microorganism is Discosphaera tubifera, commonly known as coccolithophore. These tiny calcifying algae adorn themselves with intricately sculpted calcium carbonate plates called coccoliths. Their presence can create breathtaking blooms visible from space. Shifting gears towards Plasmodium sp. , an insidious malarial parasite that infects human red blood cells, we confront one of the darker aspects lifeforms. This reminder highlights how even within this kingdom there exists both beauty and danger. To round out our exploration, let's not forget about majestic kelps like Fucus radiatus. These large brown algae form underwater forests teeming with biodiversity while serving as vital carbon sinks in our changing climate. Finally, artistic renditions depicting various cell types remind us that behind every scientific discovery lies creativity and imagination – essential tools for unraveling nature's mysteries.