Middle Triassic Gastropoda from Qingyan, Guizhou
详细信息      
  • journal_title:Journal of Paleontology
  • Contributor:Yin Hong-Fu ; Ellis L. Yochelson
  • Publisher:Paleontological Society
  • Date:1983-
  • Format:text/html
  • Language:en
  • journal_abbrev:Journal of Paleontology
  • issn:0022-3360
  • volume:57
  • issue:5
  • firstpage:1098
  • section:Articles
摘要

This is the third and final paper documenting a gastropod fauna, primarily of Anisian age (Triassic) from a section near Qingyan, China. Seven species of Euomphalacea, under three genera, are found at this locality. Three new species of euomphalaceans are named; Triassocirrus and Discohelix (Discogonius) are new genus-level taxa. All high-spired gastropods are placed within the Loxonematacea and representatives of three families are recognized. Nine genera and eleven species are distinguished; of the eleven, two species are new. As with the previously described familial groups, about half the species are known from Western Europe.--Modified journal abstract.

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