Gryphaea is a bi-valve and commonly called 'Devil's Toenail'. They are a common fossil found in rocks of the Triassic and Jurassic Periods.


Gryphaea is a bi-valve and commonly called 'Devil's Toenail'. They are a common fossil found in rocks of the Triassic and Jurassic Periods. They lived on muddy sea beds and the heavy left valve has this distinctive shape


Size: 5600px × 3998px
Location: Scarborough, UK
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ancient, arcuata, beach, bi-valve, biostratigraphic, bodied, common, correlation, darwin, dating, devil’, environment, exoskeleton, extinct, faunal, feeder, filter, floor, fossil, gryphaea, gryphaeidae, habitat, hinge, invertebrate, jurassic, living, main, marine, mesozoic, metamorphic, mineral, minerals, mollusc, muddy, mudstone, palaeontology, pattern, pebble, protection, relative, replacement, ridged, scarborough, sea, seas, sedentary, sedimentary, shallow, shell, silicates, smith, soft, stone, strata, stratigraphy, succession, tissue, toenail, triassic, valve, william, zone