Echinoderm Collection

Extinct marine reptiles
Sheet 1 of a series of posters called Extinct Animals by Benjamin Waterhouse Hawkins c. 1862. This collection of marine reptiles lived during the Jurassic period between 200

St. Cuthberts Beads - rosary made from crinoid columnals
Unidentified crinoid columnals used as beads for jewellery. Specimens from the Carboniferous Yoredale Shales, Ribblehead, Yorkshire

Pentrimites robustus, blastoid
Side view of a specimen from the Carboniferous (Mississipian), Illinois, USA - length 4 cm. Blastoids are extinct marine invertabrates belonging to the Phylum Echinodermata

Tylocidaris clavigera, sea urchin
A fossil echinoid (Tylocidaris clavigera) from the Cretaceous rocks of Gravesend, England

Temnocidaris sceptrifera, fossil echinoid
Temnocidaris (Stereocidaris) sceptrifera, 5.5 cm in diameter, from the Cretaceous Chalk of Hertfordshire, England, apical view

Crinoids
Criniods lived during the Lower Jurassic period. Their modern equivalents include echinoderms such as seaurchins, starfish and sea cucumbers

Eucidaris tribuloides, sea urchin
Dead sea urchin (Eucidaris tribuloides) showing spines attached to test. From Carrie Bow Cay, Belize

String jellyfish, Apolemia uvaria (Stephanomia uvaria, Stefanomia grappolo). Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Feather star crinoid, Oligometrides adeonae, Comatula adeonae, Comatula dell Adeona. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Brittle star echinoderm, Ophiomastix annulosa, Ophiura annulosa. Ofiura annulosa. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Cystoidea extinct echinoderms
Cystoidea or cystoids, extinct fossil echinoderms: Staurocystis quadrifasciata 1, Glyptosphaerites leuchtenbergi 2, Protocrinites fragum 3, Cystoblastus leuchtenbergi 4, 5

Blastoids or fossil extinct echinoderms: Pentremites pyriformis 1, Orophocrinus orbignyanus 2, Pentremites species 3, Astrocrinus cruciatus 4, Orophocrinus stelliformis 5, Phaenoschisma acutum 6

Conulus albogalerus (Leske), Shepherds Crown echinoid
Shepherds Crown echinoid preserved in flint. Found in Gravel derived from Cretaceous Chalk, Surrey

Micraster coranguinum (Leske), shepherds crown echinoid
Shepherds crown echinoid (Micraster coranguinum Leske) preserved in flint. Specimen from the Cretaceous Upper Chalk, England

Conulus albogalerus (Leske), Shepherds Crown echinoid
Shepherds Crown echinoid preserved in flint. Found in Gravel derived from Cretaceous Chalk, Surrey

Flint handaxe incorporating fossil echinoid
Cast of handaxe from Middle Gravels of Swanscombe, Kent. Loaned by Merseyside Museums; NHM E6870

Globoblastus sp. a fossil blastoid
Blastoids are small echinoderms that consist of a stem, a calyx and arms. The calyx contained the soft body parts of the animal and is pyramidal to globular in shape

Starfish, Luidia scotti
Specimen collected by Robert Falcon Scotts British Antarctic Expedition 1910-1913, also known as the Terra Nova expedition

Dimerocrinus, fossil crinoid
Dimerocrinus, a small stemmed crinoid (sea-lily) of Silurian age. The long stem supports a 1.8 cm high crown mostly consisting of the arms employed in feeding

Cretaceous chalk seafloor
An artists impression of a Cretaceous (144 to 65 million years ago) hard chalk seafloor, where an ammonite floats above crinoids, sea urchins, brachiopods, molluscs, and a lobster

Plesiosaurus, Telesaurus, Ichthyosaurus, Pentacrinites, Ammo
Sheet 1 of a series of posters called Extinct Animals by Benjamin Waterhouse Hawkins c. 1862. This collection of marine reptiles lived during the Jurassic period between 200 and 145 million years ago

Clypeus ploti, fossil echinoid
Fossil echinoid also known as a poundstone from the Jurassic period Trigonia Grit, Aylworth, U.K

SEM of echinoderm steroem
A SEM of an example of stereom of an echinoderm (phylum which consists of 5 classes including starfish). Stereom is the structure formed by the fine networks of calcium carbonate which constitute

Chalk sea diorama
Diorama of Cretaceous (144 to 65 million years ago) sea floor chalk deposits, and various cephalopods

Clypeaster altus, a fossil echinoid
Clypeaster altus, 13 cm anterior to posterior, from the Miocene of Malta, oral view

Blastoidea; extinct stemmed echinoderm
Coloured lithograph by Ernst Haeckel from Kunstformen der Natur, 1899-1904. Date: 1904

Cystoidea; extinct stalked echinoderm
Coloured lithograph by Ernst Haeckel from Kunstformen der Natur, 1899-1904. Date: 1904

Fossil Holothurian or sea cucumber
Staurocystis quadrifasciata, 6.5 cm long, from the Silurian, Wenlock Limestone of Dudley in Worcestershire, England

Palaeocoma egertoni, a fossil ophiuroid
Palaeocoma egertoni, with arms 4.5 cm long, from the Jurassic of Dorest, England

Asterias gaveyi, a fossil starfish
Asterias gaveyi, the oral surface, with an arm stretch of 18 cm, from the Jurassic of Gloucestershire, England

Actinocrinites sp. a fossil crinoid
Actinocrinites has a calyx which is conical and elongated and a rigid, domed tegmen made of numberous small plates. The calyx is monocyclic, I.e. a basal circle of plates supports the radial circlet

Ailsacrinus prattii, 3.4 cm wide, from the Jurassic of Bath, England, showing the underside of the calyx and arms

Deltoblastus, a fossil blastoid
Deltoblastus, 1.5 cm in diameter, from the Permian of Timor. side view

Globoblastus sp. a fossil blastoid
Blastoids are small echinoderms that consist of a stem, a calyx and arms. The calyx contained the soft body parts of the animal and is pyramidal to globular in shape

Isocrinus robustus, a fossil crinoid
The stalked crinoid Isocrinus robustus, 14 cm tall, from the Lower Jurassic of Gloucestershire, England, showing the calyx and arms

Castericystis vali, a fossil Carpoid
Castericystis vali, 7 cm long with juvenile 0.8 cm long attached at the bottom of the stele, from the Middle Cambrian of Utah

Crystal apple - cystoid echinoderm
NHM E10. Echinosphaerites aurantium (Gyllenhall). Ordovicain, Popouka, St Petersburg, Russia

Carboniferous crinoid garden
Artists impression of Carboniferous (354 to 290 million years ago) underwater crinoid garden

Brittle star, Astrotoma agassizii
Specimen collected by Robert Falcon Scotts British Antarctic Expedition 1910-1913, also known as the Terra Nova expedition

Pteraster acicula, starfish
Pteraster acicula from the classification Asteroidea: Spinulosida: Pterasteridae. This species of starfish is found from Florida to the west Gulf of Mexico, below 260m

Ophioctenella sp. brittle star
Scanning electron microscope image of the post-larval stage of a brittle star (x 110) A newly described species 1994

Elginia

Francis Arthur Bather (1863-1934)

Labidiaster annulatus & L. radiosus from the Challenger Voya
Plate illustrating starfish from the report of the Voyage of H.M.S. Challenger (1872-1876)

Deima fastosum, holothurian echinoderm
Illustration of a Holothurian echinoderm from Report on the Holothuroidea dredged by H.M.S. Challenger, 1872-1876

Eucidaris tribuloides, sea urchin
Dead sea urchin (Eucidaris tribuloides) showing spines attached to test. From Carrie Bow Cay, Belize

Starstones - columnals of isocrinid crinoids

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