Tuesday, October 15, 2024

Ichthyocrinus laevis Crinoid Fossil Illustration

 

Here are some illustrations of the crinoid fossil Ichthyocrinus laevis (Conrad). The fossil was found in the Rochester shale at Erie County, New York, USA. The fossil dates to the Silurian Period. This fossil is also found in the Lockport Shale. They were published in Amadeus Grabau's (1870-1946) book Geology and Palaeontology of Eighteen Mile Creek and the Lake Shore Sections of Erie County, New York from 1899.  The images are from pages 157-158, figure 53. 

Monday, October 14, 2024

Eucalyptocrinus decorus Crinoid Fossil Illustration

 

Here are some illustrations of the crinoid fossil Eucalyptocrinus decorus (Phillips). The fossil was found in the Clinton beds at Erie County, New York, USA. The fossil dates to the Silurian Period. This fossil is also found in the Rochester Shale. They were published in Amadeus Grabau's (1870-1946) book Geology and Palaeontology of Eighteen Mile Creek and the Lake Shore Sections of Erie County, New York from 1899.  The images are from pages 157-158, figure 53.

Sunday, October 13, 2024

Orthothetes subplanus Brachiopod Illustration

 

Here are some illustrations of the brachiopod fossil Orthothetes subplanus (Conrad). The fossil was found in the Clinton beds at Niagara Falls, New York, USA. The fossil dates to the Silurian Period. This fossil is also found in the Rochester Shale. They were published in Amadeus Grabau's (1870-1946) book Geology and Palaeontology of Eighteen Mile Creek and the Lake Shore Sections of Erie County, New York from 1899.  The images are from page 184, figure 91.