▁ ▁The ▁specific ▁name ▁prima ▁( Lat in ▁for ▁first ) ▁indicates ▁that ▁it ▁is ▁the ▁first ▁species ▁of ▁Dia ph era ▁confirmed ▁in ▁Th ailand . ▁ ▁Distribution ▁ ▁The ▁type ▁local ity ▁of ▁Dia ph era ▁prima ▁is ▁K ha o ▁Cha ▁Ang - O an , ▁Bor ▁Th ong , ▁Ch on b uri ▁Province , ▁Th ailand . ▁ ▁Distribution ▁of ▁Dia ph era ▁prima ▁include ▁Eastern ▁Th ailand : ▁Ch on b uri ▁Province ▁and ▁Ray ong ▁Province . ▁ ▁Description ▁ ▁The ▁shell ▁of ▁Dia ph era ▁prima ▁is ▁ob long . ▁The ▁shell ▁has ▁ 7 - 8 ▁wh or ls . ▁The ▁sculpt ure ▁of ▁the ▁shell ▁is ▁smooth ▁with ▁short ▁rib s ▁below ▁the ▁s uture . ▁The ▁a pe x ▁of ▁the ▁shell ▁is ▁obt use ▁and ▁smooth . ▁The ▁a pert ure ▁is ▁rounded ▁with ▁par iet al ▁l am ella , ▁bas al ▁l am ella , ▁col um ell ar ▁l am ella ▁and ▁with ▁two ▁pal atal ▁l am ella e . ▁ ▁The ▁width ▁of ▁the ▁shell ▁of ▁the ▁hol ot ype ▁is ▁ 2   mm . ▁The ▁height ▁of ▁the ▁shell ▁of ▁the ▁hol ot ype ▁is ▁ 6 . 2   mm . ▁ ▁The ▁body ▁of ▁the ▁animal ▁is ▁a ▁pale ▁green ish ▁yellow ▁in ▁color . ▁ ▁References ▁▁ ▁Category : D ia pher idae ▁Category : G ast rop ods ▁described ▁in ▁ 2 0 1 0 <0x0A> </s> ▁N ia f