FIGURE 1. Geological map of the Pin River valley, Lahaul and Spiti district of Himachal Pradesh, India, showing location of the fossil specimen demarcated by star.

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FIGURE 2. Litholog showing the stratigraphic level of the Paraconularia sp. with respect to Gungri Formation.

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FIGURE 3. 1, Paraconularia embedded in the Micaceous siltstone of the lower part of Gungri Formation, Guling village. 2, Upper Nodular Black Shale Member of the Gungri Formation. 3, Permian-Triassic boundary, Guling village. 4, Ammonite bearing Triassic limestone of Mikin Formation, opposite to Guling village.

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FIGURE 4. Paraconularia sp. embedded in the micaceous siltstone of the Gungri Formation. 1, View of single face. 2, Close-up view showing well-developed nodes on facial ridge (transverse rib) and interspace. 3, Apertural side showing widely spaced facial ridges, which alternately arranged either side of the midline. 4, Close-up view of the apertural side showing nodes on facial ridge.

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