Genus Trigonosemus König, 1825

Type species: Trigonosemus elegans König, 1825 .

Stratigraphic distribution: Upper Cretaceous.

Geographic distribution: France, Belgium, Holland, England, Turkmenia.

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Trigonosemus elegans König, 1825 Locality: Fresville, Valognes, Manche, France Stratigraphy: Senonian, Upper Cretaceous