coleoids based on lower jaw remains from Hokkaido, Japan (PDF). ActaPalaeontologicaPolonica. 2015, 60 (1): 27–38 [22 August 2018]. ISSN 0567-7920. OCLC 5789669966
revision of the Late Ordovician marellomorph arthropod Furca bohemica from Czech Republic. ActaPalaeontologicaPolonica. 2011. doi:10.4202/app.2011.0038.