Dianmeisaurus Explained

Dianmeisaurus is an extinct genus of pachypleurosaur from the Middle Triassic Guanling Formation in China. The type species is D. gracilis.[1] An additional species, D. mutaensis, was named in 2024 based on a small skeleton likely belonging to an immature individual.[2]

Classification

In their 2024 description of Dianmeisaurus mutaensis, Hu, Li & Liu recovered the two species of Dianmeisaurus as the sister taxon to Panzhousaurus in a clade of basally-branching pachypleurosaurs. In their analyses, they recovered the Pachypleurosauria as the sister taxon to the Nothosauroidea. The results of their phylogenetic analyses are shown in the cladogram below:[2]

References

  1. Qing-Hua Shang. Chun Li. 2015. A new small-sized eosauropterygian (Diapsida: Sauropterygia) from the Middle Triassic of Luoping, Yunnan, southwestern China. live. 2021-11-09. www.cnki.net. 10.19615/j.cnki.1000-3118.2015.04.001. https://web.archive.org/web/20211109202349/https://www.cnki.net/kcms/doi/10.19615/j.cnki.1000-3118.2015.04.001.html . 2021-11-09 .
  2. Hu . Yi-Wei . Li . Qiang . Liu . Jun . 2024-01-05 . A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of southwestern China and its phylogenetic and biogeographic implications . . 143 . 1 . 1 . 10.1186/s13358-023-00292-4 . 1664-2384. free .

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