Scholarlink

<p>Gastropods from three different localities of the Miocene Solimões Formation in western Amazonia were investigated to understand their temporal relationships. The gastropods were recovered from fossiliferous exposures at Morada Nova and Aquidabã, near Eirunepé town, as well as from the borehole 1AS-34-AM drilled in Amazonas State, Brazil. The borehole yielded the most diverse and abundant assemblages, including the new species <i>Dyris amazonensis</i> sp. nov. described herein. The lacustrine assemblage from the borehole has a Tortonian age (ca. 9 to 11 Ma), whilst the two outcrops are slightly younger and, having a more fluviolacustrine character, contain a non-endemic malacofauna.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

New gastropod records for the Miocene Solimões Formation, Amazonas State, Brazil. Taxonomy, palaeobiogeography and palaeoenvironmental inferences

  • 期刊论文

  • 发表日期：

    2025年6月19日

查看全文
  • Lívia Isadora de Almeida Guimarães,
  • Maria Inês Feijó Ramos,
  • Nathália Silva Felix,
  • Luiz Ricardo L. Simone

摘要

Gastropods from three different localities of the Miocene Solimões Formation in western Amazonia were investigated to understand their temporal relationships. The gastropods were recovered from fossiliferous exposures at Morada Nova and Aquidabã, near Eirunepé town, as well as from the borehole 1AS-34-AM drilled in Amazonas State, Brazil. The borehole yielded the most diverse and abundant assemblages, including the new species Dyris amazonensis sp. nov. described herein. The lacustrine assemblage from the borehole has a Tortonian age (ca. 9 to 11 Ma), whilst the two outcrops are slightly younger and, having a more fluviolacustrine character, contain a non-endemic malacofauna.