The Utilization of Pomacea Snails at Tikal, Guatemala

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Abstract
Pomacea flagellata (Say), a large freshwater snail, was eaten by the ancient inhabitants of Tikal. Its shells appear in archaeological contexts datable to the entire circa 1500-year span of permanent occupation. Utilization was heaviest during the earliest and latest periods, a distributional pattern that seems directly related to population growth and decline. Comparison with the freshwater mussels and European land snails suggests that Pomacea snails were probably never more than a supplementary source of protein and calories. However, they could have been important in a marginal diet. Occasionally Pomacea were deposited in ceremonial contexts. They were most frequent during the later Early Classic period when they may have figured in a special votive complex.