Spider moms have been caring for their young for a long time

Freda Kreier

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Spider moms have been caring for their young for a long time

机译：蜘蛛妈妈一直在关心他们年轻的年轻时间

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Millions of years before Tyrannosaurus rex walked the Earth, sap engulfed a spider guarding her precious egg sac. Her corpse, preserved alongside her offspring in amber for 99 million years, is the oldest physical evidence for maternal care in spiders, says Paul Selden, an invertebrate paleontologist at the University of Kansas in Lawrence. This fossil (shown at bottom; left is from above and right is from below) is one of four recently analyzed specimens that, together, show that some ancient spiders guarded their egg sacs and may even have raised their young, Selden and colleagues report in the Sept. 29 Proceedings of the Royal Society B.

机译：在Tyrannosaurus雷克斯走到地球之前数百万年，SAP吞噬了一只守卫她珍贵的蛋囊的蜘蛛。她的尸体在琥珀中的后代保存了9900万年，是劳拉斯大学的无脊椎动物古生学家Paul Selden表示，这是蜘蛛的最古老的母婴证据。这个化石（底部显示，左从上方而来自下面）是四个最近分析的标本之一，展示了一些古老的蜘蛛守卫着他们的卵囊，甚至可以提高他们的年轻人，Selden和同事报告 9月29日皇家社会B.

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《Science news》 |2021年第8期|40-40|共1页
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Freda Kreier;
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Spider moms have been caring for their young for a long time

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