▁R ima e ▁Z up us ▁lie ▁to ▁the ▁north west , ▁following ▁a ▁course ▁to ▁the ▁north - n orth west ▁towards ▁the ▁mare . ▁ ▁Little ▁remains ▁of ▁the ▁original ▁formation , ▁and ▁the ▁rim ▁is ▁low ▁and ▁irregular ▁in ▁outline , ▁giving ▁the ▁feature ▁the ▁appearance ▁of ▁a ▁valley . ▁This ▁rim ▁clim bs ▁to ▁a ▁maximum ▁height ▁of ▁ 1 . 3   km ▁above ▁the ▁base . ▁The ▁cr ater ▁Z up us ▁S ▁intr udes ▁upon ▁the ▁eastern ▁rim . ▁A ▁faint ▁g host ▁cr ater ▁lies ▁in ▁the ▁mare ▁to ▁the ▁n ortheast . ▁The ▁mare ▁covering ▁the ▁floor ▁of ▁Z up us ▁is ▁dark er ▁in ▁h ue ▁than ▁the ▁surrounding ▁terrain , ▁making ▁the ▁feature ▁relatively ▁easy ▁for ▁an ▁observer ▁to ▁locate . ▁ ▁Sat ellite ▁cr aters ▁By ▁convention ▁these ▁features ▁are ▁identified ▁on ▁lun ar ▁maps ▁by ▁placing ▁the ▁letter ▁on ▁the ▁side ▁of ▁the ▁cr ater ▁mid point ▁that ▁is ▁closest ▁to ▁Z up us . ▁ ▁References ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁▁▁▁▁▁▁▁▁▁ ▁Category : Imp act ▁cr aters ▁on ▁the ▁Moon <0x0A> </s> ▁Le pto con chus ▁insc ut aria ▁is ▁a ▁species ▁of ▁sea ▁sn ail , ▁a ▁marine ▁g ast rop od ▁m oll usk , ▁in ▁the ▁family ▁Mur ic idae , ▁the ▁m ure x ▁sn ails ▁or ▁rock ▁sn ails . ▁ ▁References ▁ ▁insc ut aria ▁Category : G ast rop ods ▁described ▁in ▁ 2 0 1 1 <0x0A> </s> ▁Charlie ▁Campbell ▁( born ▁January ▁