Echinoids are poorly known from the Devonian of SW England. This report records an external mould of a solitary primary spine in a chert cobble collected from near the site of Wolborough Quarry, SW Devon, a well-known Middle Devonian palaeontological site. However, cherts are rare in Devonian limestones of south Devon and the spine is unusually robust in comparison with those of other Devonian taxa. The cobble is here interpreted as an erratic, most probably an Upper Cretaceous flint, and the spine is identified as Prionocidaris sp. cf. P. vendocinensis (Agassiz &amp; Desor). This is another illustration of the high fidelity possible in fossils preserved in cherts even after reworking.

S. K. Donovan

F. E. Fearnhead

Proceedings of the Yorkshire Geological Society

《约克郡地质学会会刊》（PYGS）自 1839 年以来一直不间断出版。它是英国地质学的主要期刊之一。每年都会发行两部分，其中包含有关地质各个方面的原始研究论文。传统上，会议记录特别关注英格兰北部及其邻近地区的地质情况。鼓励提交有关相关主题但具有更普遍兴趣的论文。所有论文都经过两名独立裁判的全面审查。

The Proceedings of the Yorkshire Geological Society (PYGS) has been published continuously since 1839 and is one of the leading journals in the field of geology in the UK. The journal releases two issues each year, featuring original research papers covering various aspects of geology. The conference proceedings particularly focus on the geological conditions of Northern England and its surrounding areas, while also encouraging submissions on related topics of broader interest. All submitted papers undergo thorough review by two independent referees.

《Proceedings of the Yorkshire Geological Society》（PYGS）自1839年起持续出版，是英国地质学领域的重要期刊之一。该期刊每年发行两期，涵盖地质学各个方面的原创研究论文。会议记录部分特别关注英格兰北部及其邻近地区的地质情况，同时也鼓励提交与相关主题但具有更广泛兴趣的论文。所有提交的论文均经过两名独立审稿人的严格评审。

Category	Quartile
地球科学	4
地球科学, 地质学	4

An enigmatic echinoid spine from south Devon, UK: Devonian or Cretaceous?

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