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Sea Urchins and Sea Stars |
Record 76 to 100 of 138 |
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Pentremites "d Pentremites, enlarge. e Showing the plates, &c., which make up the test." -Taylor, 1904... |
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Pentremites florealis "Pentremites florealis, Carb. Limestone, Illinois, United States. This fossil almost makes up the bulk of the limestone." -Taylor, 1904... |
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Periphylia Mirabilis This specimen is yellowish; its disk about four inches, its arms sixteen to eighteen. It is a very curious inhabitant of the Indian Ocean.... |
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Psammechinus esculentus "A common European type of the group is the species Psammechinus esculentus. In certain forms the test is perforated by slit-like apertures." — Encyclopedia Britannica, 1893... |
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Radiata, Diagram of a In the Radiata, the starfish manifests one of the simplest forms of nervous systems. it consists of a central mass, with five arms radiating from it. In the center is the mouth, and beneath it the sto... |
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Radiata, various "Various raiate animals upon the sea shore" — Goodrich, 1859... |
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Rotula Augusti "Rotula Augusti" — Encyclopedia Britannica, 1893... |
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sand dollar Sand dollar, the name given to a flattened looking sea urchin, very common on sandy shores.... |
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Sand Dollar The common sand dollar or flat sea urchin. Upper surface with the spines partly removed.... |
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Sand-Dollar A sea-urchin in the shape of a circle. Has 5 star-like markings on its top-side. ... |
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Sand-star "Among the British species are the Common Sand-Star, Ophiura texturata." — Goodrich, 1859... |
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Scotoplana Globosa Scotoplanes live on or just underneath the surface of the bottom of the ocean, on the abyssal plain. They look and act a bit slug-like. They feed on the mud of the sea floor, benefiting from the organ... |
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Sea Lily A sea lily or crinoidea.... |
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Sea Lily A sea lily (Encrinites moniliformis), a prehistoric crinoid.... |
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Sea Star, Spiny The Spiny Sea Star (Echinaster sentus) is an echinoderm in the Asteroidea class of starfish.... |
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Sea Urchin Sea urchins are small, globular, spiny sea creatures, composing most of class Echinoidea. They are found in oceans all over the world. Their shell, or "test", is round and spiny, typically f... |
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Sea Urchin An diagram of the anatomy of a sea urchin. Sea urchins are small, globular, spiny sea creatures, composing most of class Echinoidea. They are found in oceans all over the world. Their shell, or "test... |
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Sea Urchin Fossils An illustration of various sea urchin fossils. "1, Palaeechinus; Carboniferous; 2, A plate and radiole of Archaeolcidaris; 3, A radiole of Cidaris; Jurassic; 4, Hemicidaris; Mid. Jurassic; 5, Salenia;... |
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Sea Urchin Ovary "Diagram of a portion of the ovary of Sea-urchin showing the eggs arising from the epithelium (reproductive epithelium) by constriction. e, epithelium; o, ova in different stages of growth." -Galloway... |
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Sea Urchin Section "Diagram of an Echinus (stripped of its spines). a, mouth; a', gullet; b, teeth; c, lips; d, alveoli; e, falces; f, f, auriculariae; g, retractor, and h, protractor, muscles of Aristotle's lantern; i,... |
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Sea Urchin without Spines, Arcocladia Mamillata "A species after death, when the weapons of death have been rubbed off; that is to say, the bristles. It has been calculated that more than ten thousand pieces, each admirably arranged and united, ent... |
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Sea Urchin, European Edible "Sea-urchin (Echinus esculentus). Left side in natural state; right side with spines removed, showing the bare plates." -Whitney, 1911... |
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Sea-cucumber Sea-cucumbers are Echinoderms. They are worm-like in form. They move about by the alternate contraction and extension of their bodies.... |
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Sea-Star Sea-stars are Echinoderms. The order Ophiuroides is closely related to starfishes. The arms of sea stars however, differ from those of starfishes in not containing any prolongations from the stomach... |
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Sea-star, common European "The colors in this are variable but brilliant - red, purple, green, and white. It measures from nine to twelve inches across, and feeds ravenously on shell-fish." — Goodrich, 1859... |
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