Unusually, this form was recorded for the first time only very recently, from a single isolated carapace from the Turonian of Kent.  The carapace is small, with a rounded hexagonal profile, an ornament of small discrete tubercles, and pronounced longitudinal furrows.

REFERENCE - Collins, J. S. H., & Williams, R. J.  2004.  A new genus of necrocarcinid crab (Crustacea, Brachyura) from the Upper Cretaceous of England, Bulletin of the Mizunami Fossil Museum, 31, 33-35. [Link]

1).  Shazella abbotsensis - The unique isolated carapace of the holotype (x8.0, White Chalk, Turonian, Abbots Cliff, near Folkestone, Kent, BMNH (British Museum (Natural History) London) IC306).  Image © 2008 The Natural History Museum, by kind permission.