Tomopteris

Part of speech: noun

Definitions

1. A genus of planktonic polychaete worms characterized by their transparent, flattened bodies and long, wing-like parapodia used for swimming
2. Marine annelids known for their distinctively broad, wing-shaped limbs that facilitate swift movement in open water; these creatures inhabit oceanic environments and are part of the zooplankton community
3. Transparent free-swimming segmented worms possessing expanded lateral appendages that resemble wings, allowing effective propulsion in pelagic marine habitats and aiding in hydrodynamic locomotion

Etymology: The name belongs to a genus of transparent sea worms, and it is built from two Greek words. "Tomos" means "cut" or "slice," and "pteron" means "wing" or "feather." The name most likely refers to the flat, paddle-like side appendages, which are split or divided into lobes, so they look like cut wings. These worms are not closely related to birds or insects. Their lateral appendages are actually parapodia, the fleshy limbs found in many marine worms, and the "wings" are what let them swim through open water. The genus name therefore describes a physical feature rather than a metaphor, and the Greek roots still show in its spelling.