FIGURE 4 in Middle Permian (Roadian) gastropods from the Khao Khad Formation, Central Thailand: Implications for palaeogeography of the Indochina Terrane

FIGURE 4. Relative species abundances of major clades of Middle Permian gastropod faunas in Thailand. The gastropod faunas from the Khao Khad Formation (this study), Lopburi province (A) from the Tak Fa Formation, Nakhonsawan province (B) as well as from the Ratburi Limestone, Ratchaburi province (C).