A checklist of halacarid and hydrachnid mites (Acari, Halacaridae & Hydrachnidia) associated with sponges (Porifera) Author Chatterjee, Tapas text Zootaxa 2021 2021-11-29 5072 2 101 129 journal article 3184 10.11646/zootaxa.5072.2.1 37781dcd-ffff-4c1e-9483-fb726b42b440 1175-5326 5733656 F11C5EFE-8B45-4F58-B7E9-741D27EB47B6 Copidognathus newelli Viets, 1956 Report associated with sponges: This species was reported (cited as Copidognathus arcticus ) from Arctic Ocean, 60 miles southwest of Barrow, in Alaskan sponges, bryozoans, and sand at depth of 76.2 m ( 250 feet ) ( Newell 1951b). Remarks : This species was also reported among shells, sand, muddy sand and gravel ( Newell 1951b ).