http://etc.usf.edu/clipart/ Free clipart for students & teachers! Welcome to quality educational clipart. Every item comes with a choice of image size and format as well as complete source information for proper citations in school projects. No advertisement-filled pages with pop-up windows or inappropriate links here. A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission. http://etc.usf.edu/clipart/i/banner.jpg http://etc.usf.edu/clipart/ This website is CoolIris enabled! You can use the CoolIris browser plugin to view the images on this site in an interactive 3D wall.<br><br><br><br> http://www.cooliris.com/ "Diagrammatic vertical section through disc and base of one of the arms of Antedon rosacea. The section is inter-radial on the left, radial on the right. t., Ciliated openings in body wall; h., sub-ep... http://etc.usf.edu/clipart/47900/47945/47945_a_rosacea.htm "1. The whole animal with c, c, contractile vacuoles 2. Portion of periphery more magnified with a, four still pseudopodia and n, four nuclei or endoplasts. 3. A young actinosph&aelig;rium."-Whitney, ... http://etc.usf.edu/clipart/14400/14426/actinosphaer_14426.htm "Ambulacra of Star-fish, As seen in a longitudinal and vertical section of one of the rays; and three of them in a separate figure on a larger scale, in which they are shown in different conditions; a... http://etc.usf.edu/clipart/27300/27314/ambulacra_27314.htm "Ambulacral system of a starfish. a, ampullae; ap, Polian vesicles; c, circular canal; m, madreporite; m', madreporic canal; p, tube-feet; r, radial vessels; r', branches to ampullae." -Parker, 1900... http://etc.usf.edu/clipart/48500/48541/48541_ambulacral.htm "The anchor-shaped calcareous spicules which are attached to and protrude from the flat perforated calcareous plates in the integument of echinoderms of the genus."-Whitney, 1902... http://etc.usf.edu/clipart/14700/14772/ancora_14772.htm "The Shetland Argus, <i>Astrophyton scutatum, usually more than a foot across, is sometimes found on the British coast." &mdash; Goodrich, 1859... http://etc.usf.edu/clipart/15000/15017/shetargus_15017.htm "The body of the Asterias is supported by a calcareous envelop composed of juxta-imposed pieces at once various and numerous."... http://etc.usf.edu/clipart/53700/53770/53770_aseri_aurant.htm "Tergal skeleton of Asterius rubens. a, connecting pieces; b, spinebearing plates." &mdash; Encyclopedia Britannica, 1893... http://etc.usf.edu/clipart/26600/26663/asterius_rub_26663.htm "Asterias rubens. a, 4-ranked pedicelis; b, end of pedicel magnified." &mdash; Encyclopedia Britannica, 1893... http://etc.usf.edu/clipart/26600/26664/asterius_rub_26664.htm "Antambulacral surface of Asterias rubens. a, madreporite; a', the same magnified; b, anus." &mdash; Encyclopedia Britannica, 1893... http://etc.usf.edu/clipart/26600/26665/asterius_rub_26665.htm "The rays are sometimes very short, or altogether wanting, the body having the form of a pentagonal disk." &mdash; Encyclopedia Britannica, 1893... http://etc.usf.edu/clipart/26600/26661/astrogonium_26661.htm "Section of ray of Astropecten aurantiacus. a, vertebral ossicles; b, adambulacral ossicles; c, d, marginal ossicles; e, paxillae." &mdash; Encyclopedia Britannica, 1893... http://etc.usf.edu/clipart/26600/26662/astropectenn_26662.htm The giant basket star (astrophyton muricatum) is an early Mesozoic invertebrate, often found around British Virgin Islands. During the day, it curls up into a tight ball shape to protect itself from p... http://etc.usf.edu/clipart/69400/69452/69452_animal_marin.htm A common form of brittle star, dorsal view.... http://etc.usf.edu/clipart/62000/62066/62066_brittle_star.htm Among the several species of Brittle-Star found in the British seas is the Common Brittle-Star, <i>Ophicoma rosula</i>, which displays the most varied hues, arranged in beautiful patterns." &mdash; Go... http://etc.usf.edu/clipart/15000/15019/cmnbritstar_15019.htm The arms of the brittlestar are more flexible than those of the starfish. They move by lateral movements of the arms, and are much quicker than the typical starfish.... http://etc.usf.edu/clipart/7000/7076/brittlestar_7076.htm "Cidaris coronata&ndash;a common Oolitic echinoderm." -Taylor, 1904... http://etc.usf.edu/clipart/49300/49332/49332_cidaris.htm "Cidaris coronata&ndash;a common Oolitic echinoderm&hellip;showing the spines attached to tubercles on right hand." -Taylor, 1904... http://etc.usf.edu/clipart/49300/49333/49333_cidaris.htm A family of irregular sea urchins, flattened into a discoidal or shield like shape, with a mouth central and furnished with a masticatory apparatus. ... http://etc.usf.edu/clipart/19700/19727/clypeastrid_19727.htm "Common Starfish (Asterias forbesi)."-Whitney, 1902.... http://etc.usf.edu/clipart/15500/15591/commonstar_15591.htm Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or a portion of the life of the animal, to submarine objects by means of a jointed flexible stalk or... http://etc.usf.edu/clipart/7300/7317/crinoid_7317.htm Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or a portion of the life of the animal, to submarine objects by means of a jointed flexible stalk or... http://etc.usf.edu/clipart/7300/7318/crinoid_7318.htm The echinoderm, the crinoid or feather-star.... http://etc.usf.edu/clipart/47800/47852/47852_crinoid.htm A Radiate Echinoderm, a Crinoid, Encrinus liliiformis.... http://etc.usf.edu/clipart/45100/45111/45111_crinoid.htm A modern crinoid showing steam with root or hold-fast attachment, and a crown composed of the calyx and branching arms.... http://etc.usf.edu/clipart/62000/62068/62068_crinoid.htm