Kaliwatan sa bakukangon ang Metatrachelus froggatti.^[1] Una ning gihulagway ni Richard Kleine ni adtong 1939.^[2] Ang Metatrachelus froggatti sakop sa kahenera nga Metatrachelus, ug kabanay nga Brentidae.^[1][3] Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 53438345. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Kleine R. (1939) Neue Brenthiden und Lyciden von den Salomon-Inseln , Annals and Magazine of Natural History, 4: 587-591.
3. ↑ "Sforzi A., Bartolozzi L. (eds); Cianferoni F. & Zinetti F. (data managers) (2019). Brentids: Brentidae of the World (version Feb 2019). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X."