Onychopterellidae are an extinct family of eurypterids. The family is the only family classified as part of the superfamily Onychopterelloidea. Genera included are Onychopterella and Tylopterella.'''' Alkenopterus was once included in the Onychopterellidae but has since been classified in its own family, Alkenopteridae.''''
Onychopterellidae are an extinct family of eurypterids. The family is the only family classified as part of the superfamily Onychopterelloidea. Genera included are Onychopterella and Tylopterella.'''' Alkenopterus was once included in the Onychopterellidae but has since been classified in its own family, Alkenopteridae.''''
== See also == List of eurypterids
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).