Backups for backups, 5 letters
They back up the backups, 5 letters
Comb-plate or locomotor organ consisting of a row of strong cilia whose bases are fused, 5 letters
Comb-like respiratory structure serving as the gill of certain mollusks, 9 letters
Large burrowing spiders, 10 letters
An arthropod genus of fleas, 15 letters
A former usage synonymous with Ctenocephalides, 13 letters
A small phylum formerly considered a class of Coelenterata, 10 letters