Conrad, T. A. (1838). Report of T. A. Conrad on the Palaeontological Department of the Survey. <em>Documents of the Assembly of the State of New-York.</em> 61(200): 107-119., available online athttps://books.google.de/books?id=A0gbAQAAIAAJ page(s): 118 [details]
original descriptionConrad, T. A. (1838). Report of T. A. Conrad on the Palaeontological Department of the Survey. <em>Documents of the Assembly of the State of New-York.</em> 61(200): 107-119., available online athttps://books.google.de/books?id=A0gbAQAAIAAJ page(s): 118 [details]