macroolithus造句

• Early on, paleontologists considered " Macroolithus " nests to have been buried.
• It is very similar to " Macroolithus ", but has different ornamentation.
• They concluded that " Macroolithus " nests were either open or only partially covered with vegetation.
• The extinctions of Macroolithus and other eggs from Southern China have also had a history of different interpretations.
• "Macroolithus " eggs have been found containing oviraptorid dinosaur embryos resembling " Heyuannia ".
• Multiple other associations between oviraptorid and elongatoolithids confirm that the parent of " Macroolithus " was an oviraptorid.
• He classified " Elongatoolithus " and another new oogenus " Macroolithus " into a new oofamily, Elongatoolithidae.
• In the Nanxiong formation in Southern China, " Macroolithus " fossils range up to and possibly over the K / T boundary.
• They found, based on comparisons to modern eggs, that " Macroolithus " was predicted to be laid in open or partially covered nests.
• In 1994 he named " M . mutabilis ", a new oospecies of " Macroolithus ", based on remains discovered in Mongolia.
• He classified " " O . " carlylensis " in the oofamily Spheroolithidae, but otherwise followed Zhao's 1975 classification of " Macroolithus ".
• Zhao " et al . " revised this hypothesis in 2002, postulating a gradual extinction of " Macroolithus " caused by the volcanism of the Deccan Traps.
• The eggs are laid in pairs, as shown by the discovery of two " Macroolithus " eggs simultaneously within the mother, and the pairing of eggs within nests.
• Mou 1992 noted the high gas conductance values in " Macroolithus " eggs and therefore concluded that they were laid in a very humid environment, buried underground or inside a mound.
• Southern China, particularly the Nanxiong Formation in Jiangxi Province, possibly has the greatest oviraptorosaur diversity in the world, and also includes several associations of oviraptorosaurs with " Macroolithus " or similar eggs.
• Though they noted that these eggs strongly resemble " M . yaotunensis ", they declined to refer them to any ootaxon lower than Elongatoolithidae because " Macroolithus " is not clearly defined and is in need of revision.
• In the 1990s, Chinese paleontologists, including the prominent egg specialist Zhao Zikui, observed a gradual reduction in dinosaur egg diversity during the final 200, 000 to 300, 000 years of the Cretaceous, with only Macroolithus ranging up to the boundary.