TY - JOUR T1 - Mid Devonian megaspores from Yunnan and North Xinjiang, China: Their palaeogeographical and palaeoenvironmental significances JO - Palaeoworld PY - 2012/01/01 AU - Xu HH AU - Marshall JEA AU - Berry CM AU - Wang Y AU - Zhu HC AU - Wellman CH ED - DO - DOI: 10.1016/j.palwor.2012.02.001 VL - 21 IS - 1 SP - 11 EP - 19 Y2 - 2024/12/22 ER -