A–H Maorithyas hadalis, holotype, NSMT 71431, length = 26.7 mm, height = 24.1 mm, width = 13.4 mm. A Exterior of right valve B Exterior of left valve C Dorsal view of both valves D Close up of periostracum of right valve E Interior of left valve F Interior of right valve G Close up of hinge of left valve H Close up of hinge of right valve.

 
 
  Part of: Valentich-Scott P, Powell II CL, Lorenson TD, Ewards BE (2014) A new genus and species of Thyasiridae (Mollusca, Bivalvia) from deep-water, Beaufort Sea, northern Alaska. ZooKeys 462: 11-26. https://doi.org/10.3897/zookeys.462.6790