Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- group / live animals 1
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- shell 1
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- shell 2
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- shell mouth 1
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- shell mouth 2
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- with rule / scale 1
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- with rule / scale 2
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- juvenile / side view 1
Flat or Purple top shell
Steromphala umbilicalis
syn. Gibbula umbilicalis
- juvenile / underside 1
A common mollusc on rocky shores across the south-west, can be found under stones and amongst weed on the middle and lowershore. Note the juvenile can be quite ridged, as seen in the images above.
Images of species taken at Batten Beach, Plymouth, Devon, 19.01.06; at Chyandour Rocks, Penzance, Cornwall, 25.09.11; and at other locations.
Scientific and European Names: Steromphala umbilicalis, Gibbula umbilicalis, Purple or Flat Topshell, Top shell, Genabelte buckelschnecke, Tolhoren, Gibbule, Peonza plana.