ahn iana ▁pp .   1 – 4 6 . ▁ ▁Philipp i , ▁R . A . ▁ 1 8 5 1 . ▁Tro ch idae . ▁pp .   1 3 7 – 2 3 2 ▁in ▁Kü ster , ▁H . C . ▁( ed ). ▁System at isches ▁Con chy li en - C ab inet ▁von ▁Mart ini ▁und ▁Chem nitz . ▁N ür n berg ▁: ▁B auer ▁& ▁Ras pe ▁Vol . ▁II . ▁ ▁Adams , ▁A . ▁ 1 8 5 3 . ▁Cont ribution s ▁towards ▁a ▁mon ograph ▁of ▁the ▁Tro ch idae , ▁a ▁family ▁of ▁g ast rop od ous ▁M oll us ca . ▁Pro ceed ings ▁of ▁the ▁Zo ological ▁Society ▁of ▁London ▁ 1 8 5 1 ( 1 9 ): ▁ 1 5 0 - 1 9 2 ▁ ▁Adams , ▁A . ▁ 1 8 5 5 . ▁Further ▁contribution ▁towards ▁the ▁Natural ▁History ▁of ▁the ▁Tro ch idae ; ▁with ▁a ▁description ▁of ▁a ▁new ▁genus , ▁and ▁of ▁several ▁new ▁species , ▁from ▁the ▁C uming ian ▁Collection . ▁Pro ceed ings ▁of ▁the ▁Zo ological ▁Society ▁of ▁London ▁ 1 8 5 4 ( 2 2 ): ▁ 3 7 - 4 1 , ▁pl . ▁ 2 7 ▁ ▁Fischer , ▁P . ▁ 1 8 7 9 . ▁Gen res ▁Cal car , ▁Tro chus , ▁X en op hora , ▁T ect arius ▁et ▁Ris ella . ▁ 3