Retaria Collection

Acanthophracta, radiolarians
Coloured lithograph by Ernst Haeckel from Kunstformen der Natur, 1899-1904. Date: 1904

Globorotalia scitula, foraminifera fossil
Scanning electron microscope (SEM) image showing a fossilised planktonic species of foraminifera

Foraminifer model
Model of typical nummulitic foraminfer after Zittel

Bulimina
Plate 53 from Voyage of H.M.S. Challenger 1873-1876. Zoology Vol. 9. Foraminifera Plates, 1884 by C. Wyville Thomson

Radiolaria models
Models of two radiolaria made in papier mache by Vaclav Fric

Nummulites gizehensis, nummulites
These fossils are embedded in Eocene limestone from 2km north-east of Gizeh, west of Cairo. Nummulites were single celled animals that lived on the sea bed

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

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

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

Actinomma asteracanthion, 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

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

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

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

Eucecryphalus schultzei, 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

Spongosphaera streptacantha, 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

Aulosphaera elegantissima, 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

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

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

Heron- Allen microscope slides of foraminifera
Christmas greetings spelt out in minute shells which bears the initials of the maker, Edward Heron-Allen, and the year it was made: E H A, 1909

Radiolarian model
Galls model of radiolarian by Blaschka, held at the Natural History Museum, London

Discorbina species, foraminifera
Plate 11 no. 22 of original artwork by Heron-Allen and Earland, 1913, from the Heron-Allen Library at the Natural History Museum, London. Species from the Clare Island Survey, Co. Mayo, Ireland

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

Globigerina
Plate 77 from Voyage of the H.M.S. Challenger 1873-1876. Zoology Vol. 9. Foraminifera Plates, 1884 by C. Wyville Thomson

Orbitolites - Alveolina
Plate 17 from Voyage of H.M.S. Challenger (1872-1876). Zoology Vol. 9. Foraminifera Plates, 1884 by C. Wyville Thomson

Thurammina - Cyclammina
Plate 37 from Voyage of H.M.S. Challenger 1873-1876. Zoology Vol. 9. Foraminifera Plates, 1884 by C. Wyville Thomson

Carpenteria & Polytrema
Plate 100 from Voyage of the H.M.S. Challenger 1873-1876. Zoology Vol. 9. Foraminifera Plates, 1884 by C Wyville Thomson

Cristellaria
Plate 68 from Voyage of the H.M.S. Challenger 1873-1876. Zoology Vol. 9. Foraminifera Plates, 1884 by C. Wyville Thomson

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

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

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

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

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"Exploring the Intricate World of Retaria: A Journey into the Microscopic Realm" Delve into the fascinating realm of Retaria, a diverse group of marine organisms that includes Acanthophracta and radiolarians. These intricate creatures captivate scientists with their unique structures and behaviors. One notable member is Bulimina, a foraminifer model that showcases stunning shell architecture. Its delicate spiral design leaves researchers in awe as they unravel its secrets. Dorataspis diodon, a radiant radiolarian, stands out with its spiky appearance reminiscent of a celestial body. This enigmatic creature sparks curiosity about its role in the marine ecosystem. Aulacantha scolymantha mesmerizes with its intricate skeletal structure resembling an otherworldly sculpture. Its beauty and complexity make it an object of study for many researchers. Actinomma asteracanthion, another captivating radiolarian species, boasts star-like arms extending from its central body. Its elegant form has inspired artists and scientists alike. In contrast to these delicate beings, Actinophrys sol is a heliozoan known for its predatory nature. With long tentacles capturing prey like miniature suns reaching outwards, it exemplifies nature's ingenuity at work. Heliosphaera actinota shines brightly among radiolarians with its spherical shape adorned by numerous spines. This remarkable adaptation allows it to thrive in various oceanic environments. Aulosphaera elegantissima enchants observers with its graceful silhouette resembling an ethereal chandelier suspended in water. Its fragile beauty reminds us of the intricacy found even at microscopic levels. Eucyrtidium cranoides exhibits astonishing symmetry within its complex exoskeleton—a testament to evolution's artistry over millions of years. Scientists continue to decipher this masterpiece's significance within marine ecosystems. Eucecryphalus schultzei surprises with its intricate lattice-like structure, resembling a delicate snowflake suspended in water.