The tardigrade fauna of Australian marine caves: With descriptions of nine new species of Arthrotardigrada Author Jørgensen, Aslak Author Boesgaard, Tom M. Author Møbjerg, Nadja Author Kristensen, Reinhardt M. text Zootaxa 2014 3802 4 401 443 journal article 45658 10.11646/zootaxa.3802.4.1 43524c34-a5b7-4f7e-908a-3e3b61ffc6db 1175-5326 252490 CF479CC3-C014-460D-9C71-3A6C2AB2778B Subfamily Styraconyxinae Kristensen & Renaud-Mornant, 1983 Diagnosis (emended from Kristensen & Higgins 1984 ): Halechiniscids with two or four peduncles on four digits; either internal peduncles absent or heart-shaped proximal pad present. Three to four hooks present on each claw, sometimes secondarily reduced to only one or two hooks. Claws can be retracted into membranous sheath. Secondary clavae normally reduced or lacking. Cirrus A [lateral cirrus] and Cirrus E similar; primary clavae and sense organs of the fourth leg also similar. The cuticle is variable but dorsal cuticular plates are never present.