👉 Eriorhynchus is a genus in the family Arachnida, which includes spiders. It consists of two species: Eriorhynchus maculatus and Eriorhynchus marmoratus. Eriorhynchus maculatus is known for its large size, typically reaching up to 10 inches (25 cm) long, while Eriorhynchus marmoratus has a smaller head and body, measuring around 4 inches (10 cm