Tokummia is a genus of fossil hymenocarine arthropod, known only by one species, '''Tokummia katalepsis''', from the middle Cambrian (508 million years old) Burgess Shale as found in a quarry in Marble Canyon in Canada.
Tokummia is a genus of fossil hymenocarine arthropod, known only by one species, '''Tokummia katalepsis', from the middle Cambrian (508 million years old) Burgess Shale as found in a quarry in Marble Canyon in Canada.
== Etymology == The genus name Tokummia named after Tokumm Creek which runs through the Marble Canyon where it was found. The species name katalepsis is a Greek word for "seizing", "gasping" or "holding".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).