Denticles on lateral margin of pleotelson: A Ianiropsis palpalis B I. epilittoralis C I. serricaudissensu (Hobbs et al. 2015) – Gulf of Maine to Barnegat Bay DI. cf. serricaudis this study – Maryland Coastal Bays. [Figures modified from (Barnard 1914; Menzies 1952; Hobbs et al. 2015), and this study]; not to scale.

 
 
  Part of: Morales-Núñez AG, Chigbu P (2018) First record of Ianiropsis cf. serricaudis in Maryland Coastal Bays, USA (Crustacea, Peracarida, Janiridae). ZooKeys 747: 115-139. https://doi.org/10.3897/zookeys.747.22754