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Polyopesia laevis
Taxonomy
Hexactinella laevis was named by Schrammen (1912). It is not extant. Its type locality is Oberg, which is in a Campanian offshore shelf marl in Germany.
It was recombined as Polyopesia laevis by Finks et al. (2004).
It was recombined as Polyopesia laevis by Finks et al. (2004).