Anauchen informis subsp. informis Vermeulen, Phung & Truong 2007

Anauchen informis informis Vermeulen, Phung & Truong, 2007 Figs 10 H, 20, 37 Anauchen informis informis Vermeulen, Phung & Truong, 2007: 87–89, fig. 6. Anauchen informis informis — Schileyko 2011: 4. Type material examined. Vietnam • holotype; RMNH 108986. Type locality. Vietnam, Kien Giang Prov., Kien Luong, Hon Chong hill, doline along East flank. Differential diagnosis. This species is the most similar to A. angthongensis from which it differs by its more bulging whorls and more ovoid shell. A. banmiensis has a shouldered last whorl and stronger barriers. Distribution. This subspecies is known only from the type locality.