Echinoderm Collection

Crinoid Fossil - "Sea Lilies" Triassic period 240 m. y. a. Northern Germany
KEL-1499 Crinoid Fossil - "Sea Lilies" Triassic period 240 m.y.a. Northern Germany Ken Lucas Please note that prints are for personal display purposes only

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

Sea cucumber (Thelenota sp.) spawning. Microscopic sex cells (gametes) are being released to allow fertilisation (the fusing of a male and a female sex cell)

Male Leach's sea star (Leiaster leachi) broadcast spawning, releasing streams of sperm from its arms. Kagoshima Prefecture, Kyushu, Japan

Starfish on a beach
Starfish washed up on a pebble beach. Starfish, also known as sea stars, are a type of marine invertebrate. They have typical radial symmetry, with five arms branching off a central region

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

Anal sack of a double spined urchin (Echinothrix calamaris). Photographed in Manokwari, West Papua in Indonesia, Asia

Common Starfish - Oxwich Bay Gower South Wales UK
MAB-1225 Common Starfish Oxwich Bay Gower South Wales UK Asterias rubens Mark Boulton Please note that prints are for personal display purposes only and may not be reproduced in any way

Ochre & Purple Sea Stars / Starfish - in tidal zone Strawberry Hill State Park, Oregon coast, Pacific Ocean, USA LX425
TOM-1036 Ochre & Purple Sea Stars / Starfish - in tidal zone Strawberry Hill State Park, Oregon coast, Pacific Ocean, USA Pisaster ochraceous Tom & Pat Leeson Please note that prints are for personal

Bat Sea Star Monterey Bay California, USA
KEL-211 Bat Sea Star - group Monterey Bay California, USA Asterina miniata Ken Lucas Please note that prints are for personal display purposes only and may not be reproduced in any way

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

Mouth of Common Sea Urchin (Echinus esculentus) Guillaumesse, Sark, British Channel Islands

Necklace seastar (Fromia monilis) on Sea cucumber (Bohadaschia argus) Yap, Micronesia

Pearlfish (Carapus acus) in anus of Sea cucumber (Stichopus regalis). These species have a commensal relationship, with the fish living in the gut of the sea cucumber. Catalonia, Spain

Starfish Beach, with many starfish in the shallow sea (Asteroidea) Colon Island, Bocas del Toro Archipelago, Bocas del Toro Province, Panama

Purple sea star (Pisaster ochraceus) in shallow water beneath forest. Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean

California sea lion (Zalophus californianus) uses a Panamic cushion star (Pentaceraster cumingi) as a toy. The sealions pick up the starfish and then drop them and chase after them as they sink

Cushion star (Culcita novaeguineae), detail, Triton Bay, West Papua, Indonesia, Pacific Ocean

Crinoid or feather star (Antedon mediterranea) on Violescent sea whip or Red sea fan (Paramuricea clavata) Punta Campanella Marine Protected Area, Amalfi Coast, Italy, Tyrrhenian Sea, Mediterranean

Slate pencil sea urchins (Heterocentrotus mammillatus) on coral reef with Pyramid butterflyfish (Hemitaurichthys polylepis), Hawaii

Purple and Ochre sea stars (Pisaster ochraceus) preying on Pacific blue mussels (Mytilus trossulus). Also seen are Green Surf Anemones (Anthopleura xanthogrammica)

Red starfish (Echinaster sepositus) group on sea floor, Tenerife, Canary Islands

Blue starfish (Coscinasterias tenuispina) close up of arm with tube feet, Tenerife, Canary Islands

Atlantic feather star (Antedon bifida) Tenerife, Canary Islands

Panamic Cushion Sea Star (Pentaceraster cumingi) and a school of Yellow-tailed Grunt (Anisotremus interruptus), Galapagos Island, Ecuador. December

Slate pencil sea urchins (Heterocentrotus mammillatus) in Hawaiian reef scene with Black triggerfish (Melichthys niger) Hawaii

Purple sea urchin (Sphaerechinus granularis), three of different colours. Tenerife, Canary Islands

Kaleidoscopic image of crinoids or feather stars. Indonesia

Horse mussel (Modiolus modiolus) bed with Brittlestars (Ophiothrix fragilis) and Edible crab (Cancer pagurus), Shetland, Scotland, UK, September

Sea cucumber / Sea apple (Pseudocolochirus violaceus) Rinca, Komodo National Park, Indonesia

Sea apple (Pseudocolochirus violaceus) Komodo National Park, Indonesia

Crinoid (Crinoidea) on artificial reef. Mabul, Malaysia

Chocolate chip sea star o (Protoreaster nodosus) on sandy bottom. Mabul, Malaysia

Kaleidoscopic image of Feather stars (Crinoidea) and Gorgonian wrapper anemone.(Nemanthus annamensis). Indonesia. Western Pacific

Sea apple, eating, using arm to transfer food into mouth. Ninepin Group or Kwo Chau Islands, Sai Kung District of Hong Kong, China

High magnification photo of the spines of a Common starfish (Asterias rubens). Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean

Sea cucumber (Bohadschia argus) which has ejected a part of its internal organs called Cuvierian tubules. These significantly sticky strings are a defense mechanism designed to deter predators

Pearlfish (Carapus acus) outside of host Sea cucumber (Stichopus regalis) at night. These species have a commensal relationship, with the fish living in the gut of the sea cucumber. Catalonia, Spain

1, above, angle, animal, animals, anthozoa, aquatic, asteroidea, blue, bodies, body
Granulated sea star (Choriaster granulatus), Palau, Micronesia, Pacific

Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean

Coleman shrimp (Periclimenes colemani) close up, on a fire urchin (Asthenosoma varium). Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean

Starfish close up detail, Blairgowrie, Mornington Penisular, Victoria, Australia. Port Philip Bay, Bass Strait

Blue sea star (Linckia laevigata) on coral reef, Fiji, South Pacific

RF - Long-spined sea urchin (Astropyga radiata). Lembeh Strait, North Sulawesi, Indonesia

USA, Alaska. Sea stars on the beach at low tide

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"Echinoderms: Fascinating Creatures of the Sea" Diving into the depths of the ocean, we encounter an extraordinary world filled with diverse marine life. Amongst them, echinoderms stand out as captivating creatures that never fail to amaze us. In Japan's Kagoshima Prefecture, a Male Leach's sea star steals the spotlight as it engages in broadcast spawning. With arms extended gracefully, it releases streams of sperm into the water, contributing to new life beneath the waves. This mesmerizing sight earned its well-deserved recognition as Wildlife Photographer of the Year 2022 - Underwater category winner. But let us not forget their ancient relatives who once roamed our oceans. Extinct marine reptiles ruled during a time long past, leaving behind remnants like crinoid fossils known as "Sea Lilies. " Discovered in Northern Germany from the Triassic period over 240 million years ago, these delicate fossils offer glimpses into Earth's prehistoric wonders. Moving forward to present-day marvels, we encounter sea cucumbers and starfish gracing sandy beaches worldwide. Their unique shapes and vibrant colors add charm to coastal landscapes while reminding us of nature's artistic touch. Delving deeper into history reveals St. Cuthberts Beads—a rosary crafted from crinoid columnals—an exquisite testament to human creativity intertwined with echinoderm beauty. Further exploration uncovers Pentrimites robustus and Tylocidaris clavigera—blastoids and sea urchins respectively—each showcasing intricate patterns etched by evolution itself. Venturing along rocky shores brings encounters with double spined urchins' anal sacks—a peculiar yet essential part of their anatomy that aids in maintaining balance within their watery habitat. As we journey across continents, common starfish grace Oxwich Bay in Gower South Wales UK while ochre & purple sea stars adorn Strawberry Hill State Park on the Oregon coast, Pacific Ocean, USA.