Shells and anatomical features of Phreatodrobia bulla sp. nov. All sites are in Texas A–C holotype, Hidden Springs, Bell County, ANSP 494658 D SEM of individual from Hidden Springs, Bell County ANSP 494660 E–G SEM of embryonic shell sculpture H SEM of operculum, inner surface I dorsal view of body J ventral view of penis K dorsal view of penis. Scale bars: 100 µm (A–E); 100 µm (J, K).

 
 
  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