Ancylus compressus Nyst, 1843 † (original description)
Cardita omaliana Nyst, 1843 † accepted as Scalaricardita omaliana (Nyst, 1843) † (original description)
Cardita squamulosa Nyst, 1843 † accepted as Cardites squamulosa (Nyst, 1843) † (original description)
Nucula ryckholtiana Nyst, 1843 † accepted as Leionucula ryckholtiana (Nyst, 1843) † (original description)
Pecten cretaceus Nyst, 1843 † accepted as Syncyclonema cretacea (Nyst, 1843) † (original description)
Pecten liasinus Nyst, 1843 † accepted as Entolium lunare (F. A. Roemer, 1839) † (original description)
Trochus dekenii Nyst, 1843 † accepted as Calliostoma simile (J. Sowerby, 1816) † (original description)

Germany for Pecten liasinus Nyst, 1843 † 
Sweden for Pecten cretaceus Nyst, 1843 † 

 Nomenclature

 for Pecten cretaceus Nyst, 1843 †

New name for Pecten corneus Sowerby, sensu Nilsson, 1827 [details]

 Taxonomic remark

 for Pecten liasinus Nyst, 1843 †

Based on Pecten corneus sensu Goldfuss, 1836, non Sowerby, 1818 [details]