As one of the typical cool water brachiopod, Anidanthus had a main time range between Sakmarian of the early Permian and Wordian of the middle Permian. Several pioneers appeared in Bashkirian of the late Carboniferous.

• Anidanthus是凉水型腕足动物的代表之一 ,主要出现在早二叠世Sakmarian期至中二叠世Wordian期 ,先驱分子在晚石炭世的巴什基尔期已出现 ,部分种延至晚二叠世。