ORANGE SEA LILY (Nemaster rubiginosa): SPECIES ACCOUNTS WEST ATLANTIC STALKED CRINOID (Endoxocrinus parrae): SPECIES ACCOUNTS PHYSICAL CHARACTERISTICS. Sea lilies and feather stars are sea animals with five arms and a mouth that faces up. The main body part is the crown, which holds the mouth, digestive tract, and anus (AY-nuhs).The circadian timing system governs daily biological rhythms, synchronising physiology and behaviour to the temporal world. External time cues, including the light-dark cycle and timing of food intake, provide daily signals for entrainment of the central, master circadian clock in the hypothalamic s …The crinoid star fossil is located in the fossil beds near Talsint, Morocco. This region is part of the Bajocian Age of the Middle Jurassic Period, which dates back to around 170 million years ago. The crinoid star fossil was discovered in these ancient sedimentary rocks, and provides a unique glimpse into an ancient underwater ecosystem.Photo about Crinoid Fossil in Rock Split in Two. Image of fossil, chrinoid, invertebrate - 93230846Crinoid clades identified herein confirm many long-held views on the major divisions among crinoids from both the foundational work of Moore and Laudon (Reference Moore and Laudon 1943) and Moore and Teichert (Reference Moore and Teichert 1978) to more recent analyses (i.e., Ausich, Reference Ausich 1998a, Reference Ausich 1998b; …Crinoid Fossilized Rock Slab, Crinoid Fossil Stems, Fossilized Crinoids, Fossilized Rocks, Crinoid Stalk, Fossil Plate, Crinoid Stem Slab (297) $ 36.50. Add to Favorites Lot of Loose Crinoid Fossils in a glass jar with a cork (76) $ 27.00. FREE shipping Add to Favorites ...To see an example of a crinoid fossil with arms and a stem, see the model of Megistocrinus nodosus. Identification Tips. 1. Often cup-shaped rounded bodies called a calyx . 2. Arm facets coming off the top of the calyx . 3. Clear arrangement of different shapes of body plates that build the calyxCrinoidea (Sea lilies and feather stars) Phylum Echinodermata. Class Crinoidea. Number of families 25. Thumbnail description Stalked or stalkless organisms with a crown composed of a calyx, five or multiple arms, an anal cone, and a mouth pointing upward. Evolution and systematics. Crinoids are a living lineage of echinoderms more than 500 million years old.Chancroid is a bacterial condition that causes open sores on the genitals. We explain how it’s spread, the symptoms to expect, and how it’s treated.Alabama Fossil Crinoid in Matrix Aphelecrinus Mississippian Trilobite Age. $16.99. $4.50 shipping. or Best Offer. 15-KENTUCKY GEODIZED FOSSILS. NICE ONES. 1” TO 3”. $19.99. Crinoids are neither abundant nor familiar organisms today. However, they dominated the Paleozoic fossil record of echinoderms and shallow marine habitats until the Permo-Triassic extinction, when they suffered a near complete extinction: many Paleozoic limestones are made up largely of crinoid skeletal fragments .crinoid, any marine invertebrate of the class Crinoidea (phylum Echinodermata) usually possessing a somewhat cup-shaped body and five or more flexible and active arms. The arms, edged with feathery projections (pinnules), contain the reproductive organs and carry numerous tube feet with sensory functions. The tentacles have open grooves, along which cilia (minute, hairlike projections) sweep ...They are members of the phylum Echinodermata. This is the phylum that brings you starfish, sea urchins, and sand dollars. Like all members of this group they share similar traits, like a five part radial symmetry, exoskeletons made of hard plates called ossicles, and a water vascular system. The crinoids are a breed apart however, they resemble ... Description: Crinoids are starfish relatives commonly called feather-stars or sea lilies (from the Greek "krinon" for lily). Relatives of this Fijian crinoid ...Crinoid fossils can be found in rocks around the world aged from Ordovician to present though they are most prevalent in Mississippian aged rocks. Some of the best crinoid fossils in the world come from the Midwestern United States. The most famous crinoid fossil localities due to both abundance and incredible preservation is Crawfordsville ... The crinoid was thought to wait passively for a rain of its food material from abovel. This fee<ling posture is used by some deep water crinoids2 •s. ...May 26, 2020 · Crinoid: Agaricocrinus americanus (PRI 70601) by Digital Atlas of Ancient Life on Sketchfab. Fossil specimen of the monobathrid crinoid Agaricocrinus americanus from the Mississippian Edwardsville Formation of Montgomery County, Indiana (PRI 70601). Also present is a small, parasitic gastropod called Palaeocapulus equilateralis. Sep 3, 2010 · The Native Americans used the fragmented fossilized sections, perfect for stringing, to craft necklaces. Consequently, yet another fitting, common name for them is “Indian Bead”. Embedded Crinoid Pieces found on Oval Beach, Lake Michigan. Their amazing history dates as early as the Ordovician Period around 500 million-years-ago, although ... Beautiful Jurassic Crinoid Fossil - Seirocrinus subangularis. This piece has been sold, but we may have a similar item available. Contact us online to make an inquiry. Crinoids, or Sea Lilies, are filter-feeding invertebrates related to starfish and sea urchins. We offer gorgeous crinoids fossils from Holzmaden Germany.Crinoid Fossil Stalk, Crinoid Fossil Stems, Native American Beads, Fossilized Rocks, Crinoid Stalk, Fossil Plate, Crinoid Stem Slab, T1 (296) $ 38.50. Add to Favorites Crinoid stem fossil bumpy - Bag of 15 or more - Great gift for collectors (707) $ 19 ...Feb 20, 2022 · Two different brachiopods, Meekella (left) and Productus (right). Also a small crinoid disc in lower right corner. Brachiopods. The most common shelled animal in the ancient seas was the brachiopod. From about 20,000 species of brachiopods, only about 300 species exist today. They are found in every Paleozoic marine layer at the canyon. white-chrinoid-crab one-spot-fringehead-close-2 Nudi-2 1-Croc-Going-Down-in-Mangroves_ 1st-Leopard Anemone-2 tiny-orange-ff-with-dime Monk X-marks-the-Spot ...This is a fossilized crinoid that expanded into a geode. Found in Southern Indiana, near Heltonville, Indiana geodes are sedimentary, and the plant life that...Fossil Chrinoid. Price$80.00. Add to Cart. Blue Howlite. Price$120.00. Add to Cart. Yellow Banded Agate. Price ...Figure 1. Preoperative CT/MRIs. (A) Axial T1-weighted images showing an anterior clinoidal mucocele (arrow). (B) Axial T2-weighted images showing an anterior clinoidal mucocele (arrow). (C) Coronal T2-weighted image showing that the left optic nerve (arrow head) exists more medially than the mucocele (arrow). (D) Coronal CT suggesting that the ...Footage of a crawling crinoid, Neocrinus decorus. Courtesy of http://palaeo-electronica.org/2007_1/crinoid/fig3.htmCrinoid skeletal remains are among the most abundant and important of fossils. They arose during the early Paleozoic Era and were so abundant that their fossils produced vast limestone deposits in many places around the world, including the American Midwest. More than 5,000 fossil species have been described.Crinoids are common fossils, had a key role in the ecological structuring of marine communities through much of the fossil record and played an important role in rock-building. Crinoids are the topic of this book, which brings together for the first time the essentials of crinoid morphology, preservation, systematics, phylogeny and mode of life ...Jul 14, 2015 · Crinoid Fossil - Color, Facts, Power, Mythology, History And Myths. Crinoids are known to be a marine creature of phylum Echinodermata as well as known to a member of class Crinoidea. Crinoidea word deduced from the Greek word “Krinon” which means ‘lily’ as well as from “eidos” which means ‘form’. It is a black/gray chrinoid in a stunning red background. Scyphocrinites was a cosmopolitan crinoid found of similar ages in the United States, Africa ...Baba's Chrinoid Squat Lobster. Baba's Crinoid Squat Lobster. Babas' Crinnoid Squat Lobster. Elegant Crinoid Squat Lobster. Spider Squat Lobster. Hairy Squat ...The anterior clinoid process is a bilaterally paired posterior projection of the sphenoid bone at the junction of the medial end of either lesser wing of sphenoid bone with the body of sphenoid bone. The two anterior clinoid processes flank the pituitary fossa anteriorly. The free border of the tentorium cerebelli attaches onto the anterior ...Crinoid Fossilized Rock Slab, Crinoid Fossil Stems, Fossilized Crinoids, Fossilized Rocks, Crinoid Stalk, Fossil Plate, Crinoid Stem Slab (297) $ 36.50. Add to Favorites Lot of Loose Crinoid Fossils in a glass jar with a cork (76) $ 27.00. FREE shipping Add to Favorites ...Crinoid assemblages from nonhardground horizons in the Brechin Lagerstätte are authochthonous to parauthochthonous, and their taphonomic grade indicates minimal transport and time averaging (Brett et al., Reference Brett, Moffat and Taylor 1997; Cole et al., Reference Cole, Ausich, Wright and Koniecki 2018).What we find from the crinoid is a fossilized tentacle, often in a circular shape, and so nicknamed the Cheerio fossil. Take Pictures, Leave Treasures for Everyone to Discover If you discover Lake Michigan fossils, we ask that you enjoy experiencing and taking photographs of them, but please leave fossils on the beach for everyone to find.Crinoid fossils can be found in rocks around the world aged from Ordovician to present though they are most prevalent in Mississippian aged rocks. Some of the best crinoid fossils in the world come from the Midwestern United States. The most famous crinoid fossil localities due to both abundance and incredible preservation is Crawfordsville ...Crinoid definition: any primitive echinoderm of the class Crinoidea, having delicate feathery arms radiating... | Meaning, pronunciation, translations and examples... Chrinoid. The appearance of. Chrinoid may indicate Permian age and shallow marine environment. Meanwhile, other Bisane sediment shows different lithology in ...Feb 19, 2013 · In the case of crinoids, their long bodies are made up of thousands of stacked calcite rings, and each ring is a single large calcite crystal that contains pores filled with living tissue. When a crinoid dies, the tissue will start to decay, but calcite will precipitate into the pores, and calcite is stable over geologic time. Browse 1,439 authentic crinoid stock photos, high-res images, and pictures, or explore additional crinoid fossil or crinoid pattern stock images to find the right photo at the right size and resolution for your project. Browse Getty Images' premium collection of high-quality, authentic Crinoid stock photos, royalty-free images, and pictures.England and Wales. The overall crinoid fauna has much lower generic richness in England and Wales than in North America because the stratigraphical record of England and Wales preserves a much lower diversity of crinoid-bearing facies. The critical Arundian-Holkerian interval for Palaeozoic crinoid history is poorly represented in England and ...Crinoid Lagerstätten are well known from Paleozoic and Mesozoic strata worldwide, but they are almost unheard of in Cenozoic sediments. Occurrences of Cenozoic crinoids typically consist of fragments or isolated crowns, and only a few examples of concentrated remains are known, such as from the Eocene La Meseta Formation of …microscopic animals. Crinoid arms were lined with tube feet (like the suckers of starfish) that could capture plankton. The size and arrangement of crinoid arm branches allowed different species of crinoids to special-ize on particular kinds of plankton (Figures 3—5). Collecting fossil crinoids As noted earlier, crinoids are common fossils. Com-Here are 6 pieces from my last video and last trip down a local river searching the glacial deposits for what they brought down.Illinois rockhounding#thefindersUnclassified genera, including unrecognizable forms, are 51 in number, making a total of 518 genera that are assigned to 91 families or unclassified. One new genus, Plummericrinus, from Pennsylvanian and Permian rocks of the midcontinent region of the United States, is described; it is a dicyclic inadunate crinoid.Crinoid. First, the crinoids are the sister group to the remaining taxa, which are grouped in a clade Eleutherozoa. From: Evolution of Nervous Systems, 2007. Related terms: Genus; …Chancroid is a bacterial condition that causes open sores on the genitals. We explain how it’s spread, the symptoms to expect, and how it’s treated.We also analyzed visual outcomes in these patients, focusing on visual outcomes with and without optic canal unroofing. Results: We identified 29 patients with anterior clinoid meningiomas who underwent surgical resection at our institution between 1991 and 2007. The median length of follow-up was 7.5 years (range: 2.0 to 18.6 years).Native American bead necklace made of coral and crinoid fossils. NPS photo. Introduction. The question of how far back in time to begin a historical review of paleontology and the national parks is worth consideration. In the broadest sense and interpretation, the study of paleontology is a human undertaking involving fossils.Crinoid assemblages from nonhardground horizons in the Brechin Lagerstätte are authochthonous to parauthochthonous, and their taphonomic grade indicates minimal transport and time averaging (Brett et al., Reference Brett, Moffat and Taylor 1997; Cole et al., Reference Cole, Ausich, Wright and Koniecki 2018).Big detailed crinoid fossil head (120 mm) £74.99. Crinoids are commonly known as "sea lilies" as they look like fossil flowers. They are, however, animals closely related to starfish and sea urchins. Although they are found globally, specimens from the Jurassic Coast are just about the most sought after.Some crinoid metabolites display a range of biological activities, including cytotoxicity and fish anti-feedant activity. This review is divided into two parts. Part 1 is encyclopedic in scope, collating information on the >50 known metabolites isolated from crinoids, including their taxonomic source, collection location, chemical structure and biological activities.Photo about Crinoid Fossil in Rock Split in Two. Image of fossil, chrinoid, invertebrate - 93230846The oldest disparid crinoid is Alphacrinus Guensburg from among the oldest known crinoid faunas in the middle Tremadocian of the Laurentia paleocontinent (Guensburg and Sprinkle 2003, 2009, 2010; Guensburg 2010).As early as the Floian, disparid crinoids had become geographically widespread with faunas present on the …Check out our fairy coin crinoid selection for the very best in unique or custom, handmade pieces from our coins & money shops. The mouth of the crinoid is on the top of the calyx. Crinoids first appeared in the Cambrian and diversified until the Permian extinction, when their numbers were greatly reduced. Complete crinoid fossils may occasionally be found in Wisconsin’s Silurian and Devonian rock, but most crinoid fossils consist of scattered columnals. May 1, 2022 · May 1, 2022 · 17 min read. By 2024, visitors to the Des Moines County Heritage Museum will be able to journey back in time to the late 1800s, when a hotbed of geological study made Burlington the crinoid capital of the world. Crinoids are marine animals and an ancient fossil group that first appeared about 300 million years before dinosaurs ... The circadian timing system governs daily biological rhythms, synchronising physiology and behaviour to the temporal world. External time cues, including the light-dark cycle and timing of food intake, provide daily signals for entrainment of the central, master circadian clock in the hypothalamic s …Above: Crinoid on Tongue Reef – The Great Barrier Reef, Australia. The word crinoid comes from the Greek word krinon (lily) and eidos (form). One unusual aspect of these ancient, yet beautiful aliens of the sea, is they have a U-shaped stomach, while their anus is situated next to their mouth. And while these lilies are often attached to the ...The properties of calcite make it one of the most widely used minerals. It is used as a construction material, abrasive, agricultural soil treatment, construction aggregate, pigment, pharmaceutical and more. It has more …Bookshelf ID: NBK513331 PMID: 30020703. Chancroid is an exceedingly rare sexually transmitted infection, both in the United States and globally. Understanding its true prevalence is made difficult by the lack of readily available diagnostic testing and similar presentation to other more common causes of genital ulcer diseases.Real Fossilized Crinoid Jewelry - Wire Wrapped Sea Lily Fossil Pendant - Geology Paleontology Gift Ideas - Sterling Silver, 14k Gold Fill (11k) $ 9.75. Add to Favorites Kentucky Crinoid Stem Fossils (0.5 - 2.25") | 4 Piece (4.3k) $ 8.95. Add to Favorites ...Fossil crinoid. This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely vernacular terms.The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomina dubia), or were not formally published (nomina …The properties of calcite make it one of the most widely used minerals. It is used as a construction material, abrasive, agricultural soil treatment, construction aggregate, pigment, pharmaceutical and more. It has more uses than almost any other mineral. Calcite in the form of oolitic limestone from Bedford, Indiana.In culture []. Fossilised crinoid columnal segments extracted from limestone quarried on Lindisfarne, or found washed up along the foreshore, were threaded into necklaces or rosaries, and became known as St. Cuthbert's beads in the Middle Ages. [40] Similarly, in the Midwestern United States, fossilized segments of the columns of crinoids are …Knowledge of living crinoids from Brazil is chiefly restricted to the contributions of Dr Luis Roberto Tommasi between the decades of 1950 and 1970. Herein we present an updated catalogue of the crinoids occurring along the Brazilian coast, including data on synonyms, type localities, type material, geographical distribution, …Background: Anatomic variations of the anterior clinoid process (ACP) should be recognized before clinoidectomy to ensure a safe approach. This study describes the incidence of caroticoclinoid foramen (CCF), interclinoid osseous bridge, and pneumatization of the ACP during extradural anterior clinoidectomy.While most spend their lives fixed to the bottom but some are free swimming or capable of crawling. With skeletons made of calcium carbonate they make great, detailed fossils. Crawfordsville (26) SORT NEWEST. PRICE ANY. HIDE SOLD. 795 Items ($3 to $5,000) 2.9" Fossil Crinoid (Parascytalocrinus) - Crawfordsville, Indiana. SOLD. Aug 23, 2022 · Abstract. Crinoids, commonly known as sea lilies, are marine invertebrates of the phylum Echinodermata. Their bodies are divided into peduncle, theca, and arms. Already present in the Paleozoic, currently about 600–650 recent species are known. Since animals are composed of many segments and plates, in the first printed texts are represented ... Crinoid skeletal fragments make up a significant portion of Iowa's limestone deposits. This limestone is used for road base, as agricultural lime, as building stone, and a component of concrete.Fossil crinoid. This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely vernacular terms. This is a fossilized crinoid that expanded into a geode. Found in Southern Indiana, near Heltonville, Indiana geodes are sedimentary, and the plant life that...Aug 7, 2022 · In 2005 however, a stalked crinoid was observed pulling itself along the sea floor with amazing speed (between 472 to 591 feet / 144 to 180 meters per hour). 6. There are only 600 living species of crinoids. 600 might seem like a large number, but considering these animals were once widely spread, there are over 6000 fossil species described. 7. Popularly known as sea lilies, crinoids are sea creatures related to the starfish, brittle stars, and sea urchins. There are about 700 species of crinoids known to …Predation has been hypothesized as important to crinoid ecology, and numerous crinoid traits have been linked to predation. However, testing such hypotheses requires some assessment of predation intensity, or pressure. Although direct observations of predatory activity on crinoids are exceedingly rare in the Recent, and unobservable in …crinoid, any marine invertebrate of the class Crinoidea (phylum Echinodermata) usually possessing a somewhat cup-shaped body and five or more flexible and active arms. The arms, edged with feathery projections (pinnules), contain the reproductive organs and carry numerous tube feet with sensory functions. The tentacles have open grooves, along which cilia (minute, hairlike projections) sweep ...Fun Crinoid Facts For Kids. Crinoidea is a small group of echinoderms that live in the deep sea. They have two bodies, the calyx and the rays, and they feed on algae. Their body is very spiny since they are echinoderms and they have anus is located on the outer surface of the mouth, and the mouth is usually open. They usually show radial symmetry.Download scientific diagram | Crinoid stem ossicles and brachial plates. A, QMF60338, pentameric stem ossicle, end view. B, QMF60339, stem ossicle, viewing circular section and large pentalobate ...IowaRedcar Beach: Ancient forest, plenty of Devil's Toenails, chrinoids and some bivalves - See 139 traveller reviews, 130 candid photos, and great deals for ...GIANT 420 MILLION YEAR PREHISTORIC SEA LIFE FOSSIL WITH EXTINCT CRINOID SEA LILIES AND CORAL *CRI032. $18,750.00. View Details. Compare. Genuine Crinoid Sea Lily Fossils for sale. Authenticity guaranteed.Species of crinoids / From Wikipedia, the free encyclopedia. Promachocrinus fragarius, commonly known as the Antarctic strawberry feather star, is a species of stemless, free-swimming crinoid. It was one of several new species of Promachocrinus to be described in 2023. The discovery of the species gained significant media attention.Beautiful Jurassic Crinoid Fossil - Seirocrinus subangularis. This piece has been sold, but we may have a similar item available. Contact us online to make an inquiry. Crinoids, or Sea Lilies, are filter-feeding invertebrates related to starfish and sea urchins. We offer gorgeous crinoids fossils from Holzmaden Germany.The fauna is dominated by thin, less often thick-shelled bivalves, echinoids, common crinoid remains (mainly roveacrinids), planktonic foraminifers, and numerous echinoid spines. In addition, rare serpulids and intraclasts up to 1.5 cm in size were observed. Sometimes the geopetal infillings are preserved under the shells.May 1, 2022 · May 1, 2022 · 17 min read. By 2024, visitors to the Des Moines County Heritage Museum will be able to journey back in time to the late 1800s, when a hotbed of geological study made Burlington the crinoid capital of the world. Crinoids are marine animals and an ancient fossil group that first appeared about 300 million years before dinosaurs ... Dr. Charles Messing, Professor at Nova Southeastern University Oceanographic Center takes us on an exploration inside the deep sea for a look at crinoids.SUB...
“This includes invertebrates—everything from trilobites to ammonites to chrinoids—as well as vertebrates, from fish to reptiles to dinosaurs and fossil mammals.. Piano chord progressions pdf
Crinoid Fossil is a powerful tool for grounding and connecting with the Earth and one’s roots. It is associated with the Earth Star and Root chakras, making it an excellent choice for stabilizing and grounding energy. This fossil has the ability to transmute negative energy and release past life karma, promoting a more peaceful and balanced ...Fossil eggs worldwide are very rare. In almost all cases an egg-shaped fossil is something else. Most fossil "eggs" are weathered and rounded rocks, rather than fossils. siderite nodules and concretion s can have smooth, oval shapes and may appear like eggs. Other rocks may be rounded in streams into oval shapes.Screwstones may preserve crinoid debris in excellent detail, but the relatively delicate ‘screw’, that is, the mould of the axial canal, does not always survive. The best-preserved specimen retains a mould of a pit in the latus, Oichnus simplex, probably a domicile excavated after the death of the crinoid.Ancient fossilised pieces of a sea creature called a ‘Crinoid’, a type of Echinoderm which is related to a starfish or a sea urchin. They are sometimes referred to as ‘sea lilies’, but they are an animal, not a plant. Crinoids and impressions of Crinoids are among the most common fossils found around the UK – they can be picked out of ... Knowledge of living crinoids from Brazil is chiefly restricted to the contributions of Dr Luis Roberto Tommasi between the decades of 1950 and 1970. Herein we present an updated catalogue of the crinoids occurring along the Brazilian coast, including data on synonyms, type localities, type material, geographical distribution, …Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.Fossil crinoid. This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely vernacular terms.The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomina dubia), or were not formally published (nomina …Crinoids. Crinoids are echinoderms and are true animals even though they are commonly called sea lilies. The body lies in a cup-shaped skeleton (calyx) made out of interlocking calcium carbonate plates. Arms attached to the calyx also have a plated skeleton and are used to capture food particles. In most species, the calyx is anchored to the ... sea urchin, chrinoid marine. Video more common in past calcite skeletons. Cambrecent. - most common in Carb Tert. Micraster, Cret.-Mio. (X 3/4) Micraster, Cret ...Behavior. Each individual displayed similar crawling behavior leaving distinct traces on the sediment surface. A crinoid usually began moving with the aid of its arms using the so-called elbow-crawl within a few hours after being introduced into the experimental zone (i.e., during the night) at a maximum speed of ~ 1 mm/s (Fig. 1; …Sea lily, any crinoid marine invertebrate animal (class Crinoidea, phylum Echinodermata) in which the adult is fixed to the sea bottom by a stalk. Other crinoids (such as feather stars) resemble sea lilies; however, they lack a stalk and can move from place to place. Fig. 1.—The mitochondrial genome map of the crinoid Florometra serratissima. Arrows indicate the transcriptional polarity of each gene. Names of protein-coding and ribosomal RNA genes are abbreviated as in the text. tRNA genes are represented by their single-letter codes, and the arrowheads indicate their transcriptional …Footage of a crawling crinoid, Neocrinus decorus. Courtesy of http://palaeo-electronica.org/2007_1/crinoid/fig3.htmDefine crinoid. crinoid synonyms, crinoid pronunciation, crinoid translation, English dictionary definition of crinoid. n. Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, ...Dr. Charles Messing, Professor at Nova Southeastern University Oceanographic Center takes us on an exploration inside the deep sea for a look at crinoids.SUB....