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September 10, 2025ZittelianaOpen Access

Late Jurassic (Upper Kimmeridgian) Heterobranchia (Gastropoda) of the coral-facies of Saal near Kelheim and the viciniy of Nattheim (Germany)

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A total of 40 gastropod species from the subclass heterobranchia are described, including 6 new species.
Diversity metrics indicate high species diversity at both Saal and Nattheim sites, despite only 23 species being shared.
The Saal quarry hosts 125 gastropod species, representing the highest diversity recorded from the Kimmeridgian worldwide.
Findings highlight the Saal quarry as a significant site for marine macro-invertebrate diversity, with up to 300 species reported.

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Observational analysis reveals high diversity of heterobranch gastropods in Upper Jurassic limestones, indicating significant marine life.

Gründel et al. (2022) studied this question.

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Observational analysis reveals high diversity of heterobranch gastropods in Upper Jurassic limestones, indicating significant marine life.