BioStor
 | PELOMYXA CAROLINENSIS (WILSON) OR CHAOS CHAOS (LINNAEUS)? Nolan E Rice (1945) Biol Bull 88: 139-143 |
 | Eugene Penard's slides of Gymnamoebia: re-examination and taxonomic evaluation (1981) Bulletin of The British Museum (Natural History) Zoology 40: 1-32 |