浙江义乌恐龙蛋化石新类型及对南马东阳蛋的修订
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张蜀康, 谢俊芳, 金幸生, 杜天明, 黄美燕
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New type of dinosaur eggs from Yiwu, Zhejiang Province, China and a revision of Dongyangoolithus nanmaensis
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ZHANG Shu-Kang, XIE Jun-Fang, JIN Xing-Sheng, DU Tian-Ming, HUANG Mei-Yan
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Table 1 Comparison of Dongyangoolithidae, Spheroolithidae, Stalicoolithidae and Megaloolithidae
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Oofamily | Egg size (mm) | Eggshell thickness (mm) | Ornamentation | In the outer part of eggshell | Arrangement of eggshell units | | Shape of pores | Dongyangoolithidae1) | (66-100)× (50-66) | 2.8-3.7 | Smooth with branched clefts | Forming eggshell unit assemblages | | Round | Spheroolithidae2) | (74-99)× (67-88) | 1.5-5.7 | Smooth or tiny nodes separated from each other | Fusing extensively | | Irregularly shaped | Stalicoolithidae3) | (93.6-125)× (90-123) | 2.3-4.0 | Smooth or tiny nodes separated from each other | Fusing extensively | | Round | Megaloolithidae4) | 120-230 | 1.12-4.80 | Round nodes packed together | Packed together with clear boundaries | | Round |
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