Ossicle (echinoderm)
Ossicles are small calcareous elements embedded in the dermis of the body wall of echinoderms. They form part of the endoskeleton and provide rigidity and protection. They are found in different forms and arrangements in sea urchins, starfish, brittle stars, sea cucumbers, and crinoids. The ossicles and spines (which are specialised sharp ossicles) are the only parts of the animal likely to be fossilized after an echinoderm dies.
AfrocucumisAmbulacralApollonasterApollonaster kelleyiArticulata (Crinoidea)Asterodiscides truncatusAstrostole scabraBokkeveld GroupBrittle starCenometra bellaCryptasterina pentagonaEchinasteridaeEchinodermEncriniteEupentactaFolk classificationForcipulatidaHeliophoraHolothuriidaMolpadiidaOegophiuridaPapulaPaxilla (ossicle)PromachocrinusSclerocyteSclerodactylidaeSea cucumberStarfishStarfish regenerationValvatidaWaulsortian mudmound
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Ossicle (echinoderm)
Ossicles are small calcareous elements embedded in the dermis of the body wall of echinoderms. They form part of the endoskeleton and provide rigidity and protection. They are found in different forms and arrangements in sea urchins, starfish, brittle stars, sea cucumbers, and crinoids. The ossicles and spines (which are specialised sharp ossicles) are the only parts of the animal likely to be fossilized after an echinoderm dies.
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Ossicles are small calcareous ...... ized after an echinoderm dies.
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Ossicles are small calcareous ...... ized after an echinoderm dies.
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Ossicle (echinoderm)
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