Representatives of the genus Tricula, Benson, 1843. 23–24 Tricula valenasi sp. n. (holotype NHMUK 20180008) 25–28 T. lenahani sp. n. (holotype NHMUK 201800010) 29–32 T. spelaea sp. n. (holotype NHMUK 20180011) 33–36 T. davisi sp. n. (holotype NHMUK 20180009) 37–38 T. reischuetzorum sp. n. (holotype NHMUK 20180012) 39–42 T. phasoungensis sp. n. (39–40 holotype NHMUK 20180013 41–42 paratype 2 coll. Grego F0881) 43–44 T. bannaensis sp. n. (holotype NHMUK 20180014) 45–48T viengthongensis sp. n. (45–46 holotype NHMUK 20180015 47–48 paratype 1 coll. Grego F0904).