''Yoldia thraciaeformis'', or the broad yoldia, is a clam in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Yoldiidae Yoldiidae is a taxonomic family of small to medium-sized saltwater clams, marine bivalve molluscs in the order Nuculanida. Genera and species Genera and species within the family Yoldiidae include: * '' Megayoldia'' ** '' Megayoldia martyri ...

. It can be found along the Atlantic coast of North America, from the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, a ...

North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...

, as well as along the Pacific coast, from the Arctic Ocean to

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

.Abbott, R.T. & Morris, P.A. ''A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies.'' New York: Houghton Mifflin, 1995. 7.

References

Yoldiidae Bivalves described in 1838 {{bivalve-stub