Quisarctinae Fujimoto, 2015

Trokhymchuk, Roman Ruslanovych, Arbizu, Pedro Martínez, Kristensen, Reinhardt Møbjerg & Kieneke, Alexander, 2025, Marine tardigrades of Princess Alice Bank (Azores, Northeast Atlantic) with a description of a new species of Quisarctus Fujimoto, 2015, Zootaxa 5711 (1), pp. 125-139 : 128

Subfamily: Quisarctinae Fujimoto, 2015

Amended diagnosis (following Fujimoto 2015 with additions in bold)

Halechiniscidae with cylindrical body; primary clava and lateral cirrus arise from common cirrophore; primary clava longer than lateral cirrus; secondary clava undeveloped; leg IV sense organ as papilla; legs terminate in digits without peduncles, proximal pads, pretarsi or wrinkles but may have folds; internal digits longer than external digits; each digit terminates in sheathed, small, crescent-shaped claw with minute calcar; pair of ventrally opening seminal receptacles each with slender, sinuous duct terminating in spherical vesicle.