Description of Acheronauta gen. nov., a possible mandibulate from the Silurian Waukesha Lagerstätte, Wisconsin, USA. - Pulsipher, Mikaela A.; Anderson, Evan P.; Wright, Lauren S.; Kluessendorf, Joanne; Mikulic, Donald G.; Schiffbauer, James D. (Journal of Systematic Palaeontology, 2022)