020620: Gastropods Part 3

A few weeks back I posted some images of  Devonian gastropods – all local, all approximately 387 million years old. Today’s images of gastropods are from a different place and a different time.

These go back a bit further to roughly 460 million years ago, during the Ordovician Period, and are found in the earliest reef system known today. The Chazy Fossil Reef is located on Isle La Motte, one of several  islands just below the Canadian border in Lake Champlain.

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Gastropods weren’t the only creatures inhabiting that reef. Crinoids, trilobites, cephalopods and other marine invertebrates rounded out the scene.

Since 1998 the Isle La Motte Preservation Trust  has worked to conserve significant sites of the Chazy Fossil Reef.

There are two preserves on the reef, Goodsell Ridge and Fisk Quarry. Specific information on visiting can be found here.

It’s a great place to visit any time of year.

Fisk Quarry during Autumn. Reach down for a fallen apple and find more gastropods. They do show up everywhere.

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Best wishes to all my ILM friends. I look forward to our next visit!