Acmarhachis is a genus of trilobites in the order Agnostida, which lived in what are now Australia (Queensland, Tasmania), Canada (British Columbia, Newfoundland, Northwest Territories), China (Anhui), Kazakhstan, Russia (Kharaulakh), and the US (Alaska, Alabama, Nevada, Maryland, Vermont). It was described by Resser in 1938, and the type species is Acmarhachis typicalis.
Acmarhachis is a genus of trilobites in the order Agnostida, which lived in what are now Australia (Queensland, Tasmania), Canada (British Columbia, Newfoundland, Northwest Territories), China (Anhui), Kazakhstan, Russia (Kharaulakh), and the US (Alaska, Alabama, Nevada, Maryland, Vermont). It was described by Resser in 1938, and the type species is Acmarhachis typicalis.
== Distribution == A. typicalis occurs in the Cambrian of Kazakhstan (Kyrshabakty River, Lejopyge laevigata-trilobite zone, Zhumabai Formation, Paibian and Cambrian Stage 9, 43.5° N, 70.0° E). A. whittingtoni is known from the Upper Cambrian of Canada (Hickey Cove, Dunderbergia-trilobite zone, Downes Point Member, Shallow Bay Formation, Paibian, Newfoundland, 49.8° N, 57.9° W).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).