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. They are both hermaphrodites and ovoviviparous, giving birth to young that resemble miniature versions of adults [1].

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.