ÉT. ASSELBERGS 



Spirifer subcuspidatus Schnur. 



Athyris undata Defrance. 



Rhynchonella daleidensis Roemer. 



Rhynchonella Dannenbergi mut. m in or Drevermann. 



Dielasma rhenana Drevermann. 



Rensselaeria confluent ina Fuchs. 



M egalan te ris A rch iaci Suess . 



Pterinea costata Goldfuss. 



Pterinea cf. Follmanni Frech. 



Avicula crenato-lamellosa var. pseudo-laevis Oehlert. 



Avicula lamellosa Goldfuss. 



Avicula reticulata mut. praecursor Frech. 



Limoptera gigantea Follmann. 



Limoptera rhenana Frech. 



Gosseletia carinata Goldfuss. 



Modiomorpha cf. modiola Beushausen. 



Ctenodonta gibbosa Goldfuss. 



Ctenodonta Maureri var. ovata Beushausen. 



Ctenodonta Maureri Beushausen var. très allongée. 



Ctenodonta unioniformis Sandberger. 



Myophoria proteus Beushausen. 



Prosococlus pes anseris Zeiler et Wirtgen. 



Prosocoe/us sp. aff. pes anseris Beushausen. 



Palacosolen eifeliensis Beushausen. 



Palaeosolen simplex Maurer. 



Grammy sia abbreviata Sand berger. 



Grammy sia ovata Sand berger. 



Leptodomus sp. 



Bellerophon sp. 



Pleurotomaria striata Goldfuss. 

 Capulus sp. 

 Naticopsis sp. 



Tentaculites scalaris Schlotheim. 



