Copidognathus acutus Newell, 1947

Chatterjee, Tapas, 2022, A checklist of halacarid mites (Acari, Halacaridae) found among ascidians (Tunicata, Ascidiacea), Persian Journal of Acarology 11 (2), pp. 245-253 : 247

Copidognathus acutus Newell, 1947

Report found among ascidians – This species was reported among ascidians, mixed hydroids and ascidians in subtidal area of Beaufort, North Carolina, Eastern North America ( Newell 1947) .

Remarks – This species was also reported in various substrata: among sponges and broken shells perforated by sponges Cliona sp. , algae, hydroids from Eastern North America ( Newell 1947).

Copidognathus aurorae Newell, 1951

Report found among ascidians – This species has been found from Bering Sea, near Cape Prince of Wales , Alaska in muddy sand and gravel with ascidians ( Newell 1951a) .

Remarks – This species was also reported among algae, sponges, sand and gravel from Alaska, Bering Sea, Arctic Ocean ( Newell 1951a, b).