Eukaryote Collection (#5)

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

Rhodophyta, Coralline algae
This specimen was collected by Charles Darwin in 1836 from Keeling Atoll, Indian Ocean

Raphiidonema faringdone, calcareous sponge
A vase-shaped calcareous sponge with numerous small canals from the Cretaceous of Berkshire, England

Chleophaga hybrida, kelp goose
Ff. 66. Watercolour painting by George Forster annotated Anas ganta Anas antarctica and made during Captain James Cooks second voyage to explore the southern continent (1772-75)

Coccoliths magnified a thousand times
An illustration of Coccoliths magnified a thousand times. Coccoliths are micro-fossils and feature heavily in the composition of chalk

Lichens result from an intimate relationship between a fungus and an alga; there are about 18, 000 species

Calcidiscus leptoporus and Syracolithus quadriperforatus, co
In this scanning electron micrograph, the transition of a life-cycle stage in Calcidiscus is shown from the outer cover to the inner layer. Specimen taken from W. Mediterranean

Minakatella longifila, slime mould

Actinoptychus, diatom
Scanning electron microscope image of the exterior valve of the diatom Actinoptychus (x 500 on a standard 9 cm wide print)

Chalk
A piece of flintless white chalk from the Upper Chalk, Flamborough, Yorks. Chalk is a sedimentary rock formed in deep seas

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Eukaryotes, the diverse group of organisms that possess a true nucleus within their cells, encompass an array of fascinating life forms. From budding yeast cells to pressed seaweed specimens and coccolithophores like Discosphaera tubifera, eukaryotes showcase incredible diversity. Dictyota dichotoma and Fucus bulbosus, commonly known as kelp, exemplify the beauty and complexity found in eukaryotic cell types. These intricate structures are not limited to artwork; they exist in nature as well. Under the scanning electron microscope (SEM), dividing yeast cells reveal their remarkable process of reproduction. The marine world is teeming with eukaryotic wonders such as Fucus radiatus and Acanthophracta radiolarians. Their unique characteristics highlight the vastness of this kingdom's biodiversity. But it's not just multicellular organisms that fall under the umbrella of eukaryotes. Protozoa, single-celled organisms like Plasmodium sp. , exhibit complex behaviors while scavenging for particles or absorbing nutrients from their environment. Whether you're marveling at a budding yeast cell or examining pressed seaweed specimens C016/6127, exploring the realm of eukaryotes reveals a captivating tapestry woven by nature itself.