Tetrameres (Petrowimeres) fissispina (Diesing, 1861a)

Host: Lophonetta specularioides . SI: proventricular glands. Lo: San Jorge Gulf (-45.0333, -65.8667), Chubut Province. Material deposited: MLP–He 7022 and CNP–Par (numbers not provided). Reference: Agüero et al. (2015).