fossil preservationの例文

• The length and width ratio of the wings can vary within the same species, sometimes as a result of fossil preservation.
• Bengtson also praised the quality of the fossil preservation as " almost unheard of, even in much younger fossils ."
• For her groundbreaking work on fossil preservation that has transformed our view of how the history of life is encoded in the rock record.
• Paleontologists and placoderm specialists suspect that the scarcity of placoderms in the Silurian fossil record is due to placoderms'living in environments unconducive to fossil preservation, rather than a genuine scarcity.
• The only known fossil, dubbed Ida, was discovered in 1983 at the Messel pit, a disused shale quarry noted for its astonishing fossil preservation, near the village of Messel, about 35 km ( 22 mi ) southeast of Frankfurt am Main.
• Fossils of the Fezouata formation, which are usually squashed flat ( although some do retain some degree of their original three-dimensionality ) are often coated with a dusting of pyrite, and tin ? ?; this aspect of the fossil preservation is very similar to that at Chengjiang.
• Its skeleton was more lightly built and less robust than that of " Oviraptor ", and while the crest of " Oviraptor " is indistinct because of poor fossil preservation, " Rinchenia " had a well-preserved, highly developed, dome-like casque which incorporated many bones in the skull that are free of the crest in " Oviraptor ".