nautiloid การใช้

• Nautiloid cephalopods are represented by tightly coiled ammonoids are common.
• Orthocerids are prehistoric shelled cephalopods included in the mostly orthoconic nautiloid superorder Orthoceratoidea.
• Ellesmerocerida comprise the ancestral nautiloid stock from which all other cephalopod orders were derived.
• Five major nautiloid orders are derived from Ellesmerocerida.
• She explored much of western Queensland, studying the fossils of early nautiloid molluscs.
• It is assigned to the nautiloid order Discosorida.
• Orthoceratoids are slender conical or near cylindrial, orthoconic, nautiloid cephalopods from the Paleozoic.
• These surprising results made us wonder if nautiloid fossils might also have some secrets to reveal.
• Illithids'primary ship type is the nautiloid, a 35-ton craft resembling a nautilus.
• "Dolorthoceras " is recognized as a pseudorthocerid, nautiloid cephalopods that resemble but are not true orthocerids.
• "Baculites " and related Cretaceous straight ammonite cephalopods are often confused with the superficially similar orthocerid nautiloid cephalopods.
• "Anoploceras " is a Middle and Upper Triassic nautiloid included in the Tainoceratidae, known from eastern Europe.
• The Ellesmerocerida have been revised to include only primitive nautiloid cephalopods with thick connecting rings and siphuncle segments that are concave in outline.
• "Tylonautilus " is a member of the Tainoceratidae which, with other related families, forms the nautiloid superfamily Tainocerataceae.
• ""'Kindleoceras " "'is an nautiloid cephalopods that lived during the Middle and Late Ordovician.
• ""'Homoadelphoceras " "'is a gyroconic rutoceratid Nautiloid from the Middle Devonian of central Europe.
• Unable to study extinct nautiloid DNA, we had to figure out a new way to classify these animals based on their shells alone.
• ""'Tripteroceroides " "'is a nautiloid cephalopods with expanded siphuncle segments included in the superorder Orthoceratoidea.
• Tarphycerids are more closely related to the diverse Oncocerida, through the ancestral Bassleroceratidae in the Lower Ordovician, than to the other nautiloid orders.
• ""'Tetrapleuroceras " "'is an extinct prehistoric nautiloid from the Lower Permian of the Urals in Russia.