Heterotardigrada

Scientific classification
Kingdom: Animalia Phylum: Tardigrada Class: Heterotartigrada
Families
Order Arthrotardigrada[?]     Archechiniscidae[?]     Batillipedidae[?]     Coronarctidae[?]     Halechiniscidae[?]     Renaudarctidae[?]     Stygarctidae[?] Order Echiniscoidea[?]     Echiniscidae[?]     Echiniscoididae[?]     Oreellidae[?]

Reference http://www.itis.usda.gov
TSN: 155167
TSN (Arthrotardigrada): 155168
TSN (Echiniscoidea): 155299