Screen 42: Lamellarioidea, Calyptraeoidea
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| Trivia parvavellana (8 mm), colno 51523 Piacenzian, Velerin Conglomerates |
Trivia permixta (13 mm), colno 51590 Piacenzian, Velerin Conglomerates |
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| Trivia sphaericulata (16 mm), colno 51516 Piacenzian, Velerin Conglomerates |
Calyptraea chinensis (38 mm), colno 51661 Arenas de Bonares Formation |
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