Data from: Increase in multiple paternity across the reproductive lifespan in a sperm-storing, hermaphroditic freshwater snail

Characteristics of 201 field-collected egg clutchesThis file provides for each of 201 field-collected egg clutches the collection date, number of eggs, number of developed and undeveloped embryos, and (for clutches of which embryos were genotyped) two estimates of the number of fathers that sired the clutch, one obtained from using the parentage analysis software COLONY version 2.0.5.9 and one obtained from simple allele counting.Shell lengths of 1013 field-collected snailsThis file provides the collection date and shell length for each of 1013 adult field-collected snails.