![Dactylioceras (orthodactylites) tenuicostatum](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_47970276-b474-4dc1-ba38-2155012c3e5e_{width}x.png?v=1583153115)
A fine large specimen with test, probably adult, beautifully developed on both sides, showing 7 whorls of typical serpenticone coiling with fine ribbing. From Whitby, North Yorkshire, UK.
Size: 77mm
Size: 77mm