This dataset contains the digitized treatments in Plazi based on the original journal article Ohtaka, Akifumi, Gelder, Stuart R. (2023): A taxonomic reassessment of Cirrodrilus japonicus (Pierantoni, 1912) (Annelida, Clitellata, Branchiobdellida). Zootaxa 5263 (4): 557-565, DOI: 10.11646/zootaxa.5263.4.7, URL: http://dx.doi.org/10.11646/zootaxa.5263.4.7
Abstract
Cirrodrilus japonicus (Pierantoni, 1912) has not been identified since it was originally described from specimens removed from preserved Japanese crayfish that had been deposited in the Natural History Museum in Hamburg, Germany. A morphological comparison of the published description and recently discovered syntypes of C. japonicus from the Hamburg Museum with syntypes and newly collected material of Cirrodrilus ezoensis (Yamaguchi, 1934), supported the view that preservation artifacts in C. japonicus caused Prof. Yamaguchi to believe his well-preserved specimens were member of a separate species. Therefore, C. ezoensis becomes a junior synonym of C. japonicus.
Ohtaka A, Gelder S R, plazi (2023). A taxonomic reassessment of Cirrodrilus japonicus (Pierantoni, 1912) (Annelida, Clitellata, Branchiobdellida). Plazi.org taxonomic treatments database. Checklist dataset https://doi.org/10.15468/whm462 accessed via GBIF.org on 2026-06-14.
