Shells and anatomical features of Vitropyrgus lillianae gen. et sp. nov. All localities in Texas A–C holotype, Comal Springs, Comal County, ANSP 494654 D shell frontal view of individual from Fessenden Springs, Kerr County, ABC 005622 E SEM of embryonic whorls to detail sculpture F SEM of rear shell and sculpture G SEM of teleoconch sculpture H SEM of operculum, outer view I penis, ventral view J penis, dorsal view. The yellow coloration in I and J is caused by immersion in Bouin’s solution, the tissues are white, unpigmented in life.

 
 
  Part of: Perez KE, Guerrero Y, Castañeda R, Diaz PH, Gibson R, Schwartz B, Hutchins BT (2023) Two new phreatic snails (Mollusca, Caenogastropoda, Cochliopidae) from the Edwards and Edwards-Trinity aquifers, Texas. Subterranean Biology 47: 1-27. https://doi.org/10.3897/subtbiol.47.113186