:The gastropod genus Aurinia is nowadays usually considered a junior synonym of Scaphella.
Twenty species of butterfly have been recorded in the valley including the nationally scarce Marsh Fritillary (Eurodryas aurinia) and nationally vulnerable High Brown Fritillary (Argynnis adippe).
A colony of Marsh Fritillary butterfly (Eurodryas aurinia), a nationally scarce species, are also found on the site.