Resumen de Ancient sea animal doted on young
A shrimp-like creature is frozen in the act of caring for its four offspring. Captured in a fossil dating back some 520 million years, it is the oldest evidence of a parent actively looking after its young after they hatch. There is little trace of extended parental care in the fossil record. One of the few examples is a 160-million-year-old reptile that died alongside its six young. Now Javier Ortega-Hernández at the University of Cambridge and his colleagues have published a study of Fuxianhuia protensa specimens from the Cambrian period, found at the Chengjiang fossil site in Yunnan, China. The tiny creature is an arthropod, the group that includes insects
