Horseshoe Crab Anatomy Diagram - Key External Features Explained #3047913 (License: Personal Use)

This scientific illustration depicts the external morphology of a horseshoe crab, with precise labels for features such as the carapace, compound eyes, lateral eyes, chelicerae, and the distinctive telson (tail spine). The diagram also identifies functional structures like the incurrent and excurrent openings for respiration via book gills, and the split abdominal segment 8. Orientation markers indicate anterior and posterior ends, supporting comparative morphology studies.

Used in biology textbooks, marine science curricula, and educational websites to teach arthropod anatomy, particularly for courses on invertebrate zoology or evolutionary biology. Matches user intent for learning, teaching, or referencing horseshoe crab morphology.