Megarachne (SciiFii)

The spade-tailed water scorpion (Megarachne ligonemcauda) is a species of eurypterid (sea scorpion) that originally lived in Argentina during the Late Carboniferous as an extinct species, Megarachne servinei, and the genus itself was once extinct, but has since been brought back from extinction by SciiFii and now lives in the Paleozoic Park located in Downey, California. With a body length of 54 centimeters (21 inches), the spade-tailed water scorpion is a medium-sized eurypterid. Unlike most sea scorpions, the spade-tailed water scorpion dwells in freshwater habitats and has adapted a specialized method of feeding referred to as sweep-feeding. This involves raking through the substrate of riverbeds in order to capture and eat smaller invertebrates. Like horseshoe crabs, the spade-tailed water scorpions lay their eggs in sand or mud and abandons them, only for the eggs to hatch about a month later.