Echinodermata Collection (page 2)

Starstones - columnals of isocrinid crinoids

Bathycrinus Aldrichamus, drawn by Wild (1873)
Wilds Drawing, figured in Volume 2 of Wyville Thompsons Narrative in the Retport. Title Bathycrinus Aldrichamus

Echinocorys scutata Leske, fairy loaf echinoid
A fairy loaf echinoid from the Cretaceous Chalk, Coranguinum Zone, Northfleet, Kent

Tylocidaris clavigera (Konig), sea-urchin
This sea-urchin has highly characteristic club-like spines and is 80-83m yrs old. Specimen originates from the Upper Cretaceous Upper Chalk, S. England

Cothurnocystis elizae Bather, carpoid
The carpoids were a member of the Echinoderms. Specimen dates from the Upper Ordovician, Armillan Series, Drummuck Group Starfish Bed. Ayrshire c. 449m yrs old

A group of fragments of fossil crinoids
Watercolour of a group of fragments of fossil crinoids (feather-stars or sea-lilies) by Sarah Stone (c. 1760-1844) from the collection of Sir Ashton Lever

Fossil Crinoid
Watercolour of a fossil crinoid by Sarah Stone (c. 1760-1844) from the collection of Sir Ashton Lever

Ophioderma egertoni (Broderip), brittlestar
Brittlestars belong to the echinoderms and are a close relative of sea stars. This specimen dates from the Middle Lias of the Jurassic from Bridport, Dorset c. 195-189 million years old

Uintacrinus, stemless crinoid
A black and white photograph of a stemless crinoid, which dates from the Cretaceous. Crinoids have five or more feathery arms radiating from a central disc

Silurian Wenlock sea
An artists impression of the Wenlock (430.4 - 424 million years ago) sea with trilobites, corals, and crinoids

Crinoidal limestone

Pseudocrinites magnificus, cystoid
This specimen is a rare fossil Cystoid. They belonged to the echinoderms and diversified greatly in the Silurian, but became extinct by the Permian

Platanaster ordovicus, starfish
This echinoid dates from the Ordovician period. Starfish belong to the Echinoderm spiney skinned and were mostly bottom dwellers. They are also characterised by five-fold symmetry

Dizgocrinus mon, fossil crinoid
This fossil crinoid or sea-lily originates from the limestones of Keokuk, Lowa, USA

Carboniferous limestone sea
Bridget Kempsters impression of a shallow coral Carboniferous (354 to 290 million years ago) limestone sea, depicting fish and an abundance of crinoids and coral

Temnocrinus tuberculatus (Miller)
A fossil specimen of Temnocrinus tuberculatus (Miller), a paleozoic crinoid dating back to the Silurian (440 million years ago), discovered in the Wenlock Limestone bed, Dudley, Worcestershire, UK

Cheiracanthus murchisoni, fossil fish
This is an early jawed acanthodian fish from the Devonian rocks of Banffshire Scotland. Length 5 cms

Micraster coranguinum, echinoid
This a common heart-shaped Cretaceous sea-urchin originates from the Upper Chalk. This specimen is preserved in its original calcite and its length is around 6cm

Protaxocrinus tuberculatus (Miller)
A fossil specimen of Protaxocrinus tuberculatus (Miller), a crinoid, dating back to the Silurian period (440 million years ago), discovered in the Wenlock Limestone bed, Dudley, Worcestershire, UK

Hemicidaris intermedi, Jurassic sea urchin
This specimen is particularly well-preserved retaining its spines where they fell around the animal as it died

Plegiocidaris coronata, sea urchin
A fossil echinoid or sea-urchin from the Jurassic rocks of Ulm, Germany

Myedactylus flecheri (Salter)
A fossil specimen of Myelodactylus fletcheri (Salter) dating back to the Silurian period (440 million years ago), discovered in Wenlock Limestone bed, Dudley, Worcestershire, UK

Brittlestar
Underside of a brittlestar specimen held at the Natural History Museum, London

Echinocarys, echinoid hoax
A hoax fossil echinoid found at Piltdown, Sussex. Specimen now held at the Natural History Museum, London

Archaeocrinus microbasalis, sea lily
Cast of a fossil sea lily from Canada, is 458-443 million years old from the Late Ordovician. On display in the From the Beginning, Gallery 63, Earth Galleries at the Natural History Museum, London

Ophiroid brittle stars
These invertebrates can occur in huge numbers on the deep ocean floor. Specimens held at the Natural History Museum, London

Centrostephanus longispina, echinoid
The echinoid (Centrostephanus longispina). A recent echinoid found in the Mediterranean and East Atlantic. Specimen held at the Natural History Museum, London

Sea urchins
Plate 6 from Voyage sur la Venus (1840-1864) by A. A. Dupetit-Thouars

Astroboa clavata, basketstar

Jew Stones or sea urchin spines
Unidentified specimens of sea urchin spines possibly from Balanocidaris glandaria Leske, a Cretaceous echinoid found in Palestine

Diadema antillarum Philippi, sea-urchin
Diadema antillarum echinoid, a shallow-water regular echinoid with a formidable array of needle-sharp spines. This species tends to congregate into herds for added protection

Pentacrinites fossilis, crinoid
Crinoids are ancient, marine organisms. Pentacrinites fossilis was unusual in that it lived suspended from floating driftwood (seen here attached to a log)

Archastropecten cotteswoldiae, starfish
A fossil starfish of the subclass Asteroidea from the Jurassic rocks of Gloucestershire, England

Pentremites spicatus, blastoid
A Carboniferous blastoid from Grayson Co, Kentucky, U.S.A

Palaeocoma egertoni, fossil brittle star
A fossil brittle (serpent) star found in the Jurassic and Lias of England. Maximum diameter 8cm. This specimen is a well-known Echinoderm genus and similar to todays living brittle stars

Orbea variegata, toad cactus
Sketch 300 from the Ehret Collection of Sketches (unbound) by Georg Dionysius Ehret (1708-1770). Held in the Botany Library at the Natural History Museum, London

Sterna forsteri, Forsters tern, Sterna trudeaui, Trudeau s
Plate 408 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Pentacrinites, crinoid
Pentacrinites is a fossil crinoid from the Jurassic. Crinoids are ancient, marine organisms. The majority have long stalks anchored to the bottom

Silurian seascape

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