Sphaeriidae

Definition

Sphaeriidae (also known as pea clams or fingernail clams) is a family of small, freshwater bivalves in the order Sphaeriida and consist of 10 genera with 154 species [1]. They are both hermaphrodites and ovoviviparous, giving birth to young that resemble miniature versions of adults.

References

1. Allaby, Michael. A Dictionary of Zoology, Oxford University Press, Incorporated, 2020. ProQuest Ebook Central, https://ebookcentral-proquest-com.gate.lib.buffalo.edu/lib/buffalo/detail.action?docID=6230105.