Heterotardigrada | |
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Echiniscus succineus under PCM (left) and SEM (right) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Tardigrada |
Class: | Heterotardigrada Marcus, 1927 |
Families | |
Order Arthrotardigrada |
Heterotardigrades (Heterotardigrada) is a class that includes tardigrades (water bears) that have cephalic appendages and legs with four separate but similar digits or claws on each. 444 species have been described.[1]