| 1. | Nautiloid cephalopods are represented by tightly coiled ammonoids are common.
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| 2. | Orthocerids are prehistoric shelled cephalopods included in the mostly orthoconic nautiloid superorder Orthoceratoidea.
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| 3. | Ellesmerocerida comprise the ancestral nautiloid stock from which all other cephalopod orders were derived.
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| 4. | Five major nautiloid orders are derived from Ellesmerocerida.
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| 5. | She explored much of western Queensland, studying the fossils of early nautiloid molluscs.
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| 6. | It is assigned to the nautiloid order Discosorida.
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| 7. | Orthoceratoids are slender conical or near cylindrial, orthoconic, nautiloid cephalopods from the Paleozoic.
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| 8. | These surprising results made us wonder if nautiloid fossils might also have some secrets to reveal.
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| 9. | Illithids'primary ship type is the nautiloid, a 35-ton craft resembling a nautilus.
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| 10. | "Dolorthoceras " is recognized as a pseudorthocerid, nautiloid cephalopods that resemble but are not true orthocerids.
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