Kaliwatan sa krustaseo ang Porcellium collicola.^[1] Una ning gihulagway ni Verhoeff ni adtong 1907. Ang Porcellium collicola sakop sa kahenera nga Porcellium, ug kabanay nga Trachelipodidae.^[1][2]

Kini nga matang hayop na sabwag sa:

• Bosniya ug Ersogobina
• Rumanya
• Moldabya
• Unggriya
• Alemanya
• Gresya
• Esklobakiya
• Nasod nga Czech
• Ostriya
• Polskowa

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: 54334575. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Boyko C.B, Bruce N.L., Hadfield K.A., Merrin K.L., Ota Y., Poore G.C.B., Taiti S., Schotte M. & Wilson G.D.F. (eds). (2019). WoRMS Isopoda: World Marine, Freshwater and Terrestrial Isopod Crustaceans database (version 2019-03-05). 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.