Heterorotula lucasi sp. nov. from the Pigeon River, Tennessee (type locality). Size differences in proximal and distal rotules. Scale bars: 5 μm (A); 5 μm (B); scale bars are slightly different in length.

 
 
  Part of: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615