Crinoidea Collection (#2)

Pentacrinites, crinoid fossil C016 / 4855
Pentacrinites, crinoid fossil. Crinoids are marine organisms, most of which have long stalks anchored to the seabed, with five or more feathery arms radiating from a central disc

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

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

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

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

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

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

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

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

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)

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

Crinoid on coral
Crinoid, or featherstar, on coral. Crinoids feed by filtering food particles from the water using their feathery arms, the hairs of which pass food to a central mouth

Featherstars on coral. The featherstar (class Crinoidea) is an ancient and primitive marine invertebrate, which belongs to the group that includes the starfish

Cardinalfish (Apogon sp.) sheltering in a crinoid. Photographed off Rinca island, Komodo National Park, Indonesia

Featherstar on a reef
Featherstar (crinoid) on a reef. Photographed in Moto Mount, Indonesia

Coral reef, Indonesia
Coral reef. Fusiliers (family Caesionidae) and surgeonfish (family Acanthuridae) swimming past featherstars (crinoids) on a reef in Moto Mount, Indonesia

Necklace starfish and crinoid. Necklace starfish (Fromia monilis, centre) on a coral reef with a crinoid (order crinoidea, lower right). Photographed off Rinca island, Indonesia

Traumatocrinus hsui giant pelagic Crinoid
Traumatocrinus hsui, Xiaowa formation, Guizhou, China. Calyx and arms about 20 cm. stem could reach over a meter. Late triassic/early jurassic

Ink-spot sea squirts and featherstar
Ink-spot sea squirts (Polycarpa aurata, purple and yellow) and featherstar on a reef. Sea squirts, or tunicates, are sessile barrel-shaped animals that feed by filtering plankton from the water

Featherstar montage. Composite image of a featherstar, or crionoid, showing its branching structure. Featherstars, feed by filtering food particles from the water using their feathery arms

Lyretail anthias fish
Lyretail anthias (Pseudanthias squamipinnis) fish amongst coral, sponges and crinoids. This fish is also known as the sea goldie

Crinoid and gorgonian anemones. Gorgonian wrappers (Nemanthus annamensis) are small anemones with white tentacles (lower frame) that can be seen wrapped around a large crinoid (centre)

Featherstar on gorgonian coral. The featherstar is a marine invertebrate. It is an ancient and primitive echinoderm, a member of the group of invertebrates that includes the starfish

Featherstar. This marine invertebrate is an ancient and primitive echinoderm, a member of the group of invertebrates that includes the starfish

Fairy basslets over a reef. Fairy basslets (family Grammatidae) swimming over hard coral and feather stars. Photographed off Komodo National Park, Komodo, Indonesia

Squid hiding in feather star. Juvenile of an unknown species of squid hiding within the arms of a feather star. Juvenile squid are capable of changing the colour of their skin from birth

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Crinoidea, also known as crinoids, were extinct marine reptiles that once roamed the oceans. These fascinating creatures left behind a legacy that can still be admired today. One intriguing aspect of crinoids is their association with St. Cuthberts Beads - rosaries made from crinoid columnals. These unique beads serve as a reminder of the ancient existence of these enigmatic beings. In modern times, we can witness the beauty and diversity of crinoids in various parts of the world. In Loch Duich, Highlands, Scotland, UK, a deep red Feather star shrimp called Hippolyte prideauxiana crawls secretly amongst the arms of a Feather star named Antedon bifida. This hidden interaction showcases nature's intricate connections. The vibrant colors and delicate forms continue to captivate us underwater. Take for instance the Crinoid or feather star (Antedon mediterranea) gracefully perched on a Violescent sea whip or Red sea fan. This mesmerizing sight can be observed in many places around our planet's oceans, including Tenerife in the Canary Islands. Even man-made structures like artificial reefs provide refuge for crinoids to thrive. Mabul in Malaysia serves as an example where these creatures find solace amidst this unconventional habitat. A kaleidoscopic image emerges when Feather stars (Crinoidea) coexist with Gorgonian wrapper anemones. The striking combination creates a visual spectacle that reminds us of nature's artistic prowess. Looking back into history reveals fossilized remnants such as Dimerocrinus - a fossil crinoid frozen in time forevermore. Ernst Haeckel immortalized these ancient beings through his illustrations in Kunstformen der Natur (Art Forms in Nature). Finally, let us not forget about the incredible details found within each arm of a Feather star (Crinoidea).