Biblioteca - Ingemmet Search for 'an:"1770" and au:Landman, Neil H. and su-to:CRETACEO SUPERIOR'

Impressions of the attachment of the soft body to the shell in Late Cretaceous Pachydiscid ammonites from the western interior of the United States

By Landman, Neil H.. New York American Museum of Natural History 1999 . 31 p.

By Kennedy, William James. Wien Geologische Bundesanstalt 2002 . pp. 113-132

By Kennedy, William James. New York American Museum of Natural History 1999 . 8 p.