Caracomia arctica forma spinosa

forma spinosa Hildebrand-Habel and Streng, 2003, p.313-314, pl.2, figs.13-15; pl.3, figs.1-6; text-fig5, nos.1-2.  Holotype: Hildebrand-Habel and Streng, 2003, pl.2, figs.13-14.  Age: latest Mid Miocene. Parent: Caracomia arctica