Genus Lingulepis Hall, 1863

Type species: Lingula pinnaformis Owen, 1852 .

Stratigraphic distribution: Middle Cambrian to Upper Cambrian,?Ordovician. Geographic distribution: North America,?Europe, Greenland, Siberia,? China.

MIN 0001571

Lingulepis pinnaformis (Owen, 1852) Locality: St. Croix/Wisconsin, USA Stratigraphy: Middle Cambrian

Genus Westonisca Havlí č ek, 1982

Type species: Lingula lamellosa Barrande, 1879 .

Stratigraphic distribution: Lower Ordovician.

Geographic distribution: Bohemia, Czech Republic.

MIN 0001464

Westonisca lamellosa (Barrande, 1879) Locality: Libecov, Bohemia, Czech Republic Stratigraphy: Trenice Formation, Lower Ordovician