A refined succession of Changhsingian and Griesbachian neogondolellid conodonts from the Meishan section, candidate of the global stratotype section and point of the Permian-Triassic boundary. Palaeogeography Palaeoclimatology Palaeoecology, 143(4)(Special Issue), November 1998: 213-226. 218 [Zoological Record Volume 135]