Borniopsis mortoni and its host. A A crawling individual of B. mortoni. B Right shell valve of Paratype 4 (NSMT Mo 78969) bleached to remove the periostracum for observation of shell surface sculpture C, D Patinapta ooplax with multiple individuals of B. mortoni attached E, F P. ooplax in situ in mud flats with B. mortoni attached (arrowed). Photo credits: H. Ishikawa: A–C, E, F; Y. Hamamura: D. Scale bar: 1 mm.

 
 
  Part of: Goto R, Ishikawa H (2016) Borniopsis mortoni sp. n. (Heterodonta, Galeommatoidea, Galeommatidae sensu lato), a new bivalve commensal with a synaptid sea cucumber from Japan. ZooKeys 615: 33-45. https://doi.org/10.3897/zookeys.615.8125