Coccolithophore Collection

Discosphaera tubifera, coccolithophore
Scanning electron microscope (SEM) showing the unicellular planktonic algae Discosphaera tubifera from the North Atlantic surrounded by a sphere of calcite plates - coccoliths

Acanthoica acanthifera, coccosphere
Scanning electron microscope (SEM) image of a coccosphere, collected in the North Atlantic (x 25, 000 on negative). Artificially coloured by computer

Emiliana huxleyi, coccolith
Scanning electron microscope image of a complete sphere of coccoliths from modern oceans. These are thin calcite shells protecting the coccolithophore within

Emiliania huxleyi coccolithophores collected from a bloom in the SW Approaches to the English Channel in June 2004. Date: 2004

Coccolith
Scanning electron microscope (SEM) image of a Folkestone chalk surface with Cretaceous coccoliths (x2500 on a standard 9 cm wide print)

Syracosphaera anthos
Coccosphere from the Western Mediterranean. False coloured to show the shell is formed of inner and outer layers of coccoliths with very different structure

Scyphosphaera apsteinii. SEM image of an equatorial coccolith

Model of coccolith Kamptnerius magnificus
Copy of the resin model of the coccolith Kamptnerius magnificus Deflandre, 1930 currently on display in the Earth Lab area of the Earth Galleries at the Natural History Museum, London

Ceratolithoides aculeus, coccolith
Scanning electron microscope image of an isolated coocolith from Cretaceous chalk. These are thin calcite shells protecting the coccolithophore within

Florosphaera profunda, coccolith
Scanning electron microscope image of a complete sphere of coccoliths from modern oceans. These are thin calcite shells protecting the coccolithophore within

Emiliania huxleyi coccosphere
Coccosphere of Emiliania huxleyi from the Western Mediterranean. E. huxleyi is one of the most widespread species on earth

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

Acanthoica acanthifera

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

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

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

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

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

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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