4 Feb 2016

Pleuroceras are Yorkshire's under-appreciated ammonites.

Fortunately Andy has done a lot of hard work about this wide-ribbed ammonite. His blog is a must read.

Now I have an an excuse to re-repost my favourite bit of Runswick beach: a Pleuroceras counterpart colonized by barnacles. This specimen was preserved in the siderite section of Runswick beach; the hard, red expanse of stone exposed at low tide about halfway between Runswick and Kettleness.

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