Location: Colachel, Tamil Nadu, India Trawled at 25 - 30 meters deep; February 2021
Size - Grade: 57,51 mm - F+++/G
Remarks:
No mayor flaws.
Note: The name Semicassis diuturna is seen as synonymous to Semicassis bisulcata by WoRMS. For this reason these are offered here as a form of bisulcata.
