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Pachydiscus (Pachydiscus) yama
Taxonomy
Ammonites yama was named by Forbes (1846). It is a 3D body fossil. Its type locality is Pondicherry, which is in a Maastrichtian marine sandstone/claystone in the Valudavur Formation of India.
It was recombined as Pachydiscus (Pachydiscus) yama by Kennedy and Henderson (1992).
It was recombined as Pachydiscus (Pachydiscus) yama by Kennedy and Henderson (1992).
Sister species lacking formal opinion data