The echinoid spine described by Donovan & Fearnhead (2017) is reportedly from close to the famous Wolborough Quarry [SX 852704], which is located just to the SW of Newton Abbot in south Devon. The Middle Devonian limestones of this quarry have been described by Scrutton (1978), Leveridge et al. (2003), Leveridge (2011) and Wilmut et al. (2014). As indicated by the authors, and previous research, cherts are exceedingly rare in these limestones.

...

The paper explores the possibility that these echinoderm spines are Cretaceous in age. This seems to be the most likely explanation as both cherts and...

First Page Preview

First page PDF preview
You do not currently have access to this article.