The animal depicted in this print is commonly known as the horseshoe crab, specifically the Limulus polyphemus, also known as the Atlantic horseshoe crab. These marine arthropods are not true crabs but are related to arachnids (spiders and scorpions). They are known for their distinctive horseshoe-shaped carapace and long, pointed tail spine or telson.
The engraving is a scientific illustration from "The 'Dictionnaire Classique des Sciences Naturelles'" by Pierre Auguste Joseph Drapiez, published in 1845. It is a detailed, hand-colored print that was likely used for educational purposes to study the anatomy of this species.
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