{{Short description|Species of bivalve}} {{Speciesbox | image = Arcidae - Larkinia grandis.jpg | image_caption = A view of [[valve (mollusc)|valve]]s of ''Larkinia grandis'' | genus = Larkinia | species = grandis | authority = (Broderip & G. B. Sowerby I, 1829) | synonyms = * ''Anadara grandis'' <small>(Broderip & G. B. Sowerby I, 1829)</small> <ref name="itis">{{cite web|url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=79362#null|publisher=itis.gov|title=ITIS Standard Report Page: Anadara grandis|accessdate=2016-11-05}}</ref> * ''Anadara larkinii'' <small>Nelson, 1870</small> * ''Arca grandis'' <small>Broderip & G. B. Sowerby I, 1829</small> * ''Arca quadrilatera'' <small>G. B. Sowerby I, 1833</small> }}
'''''Larkinia grandis''''' is a genus of saltwater [[clam]]s in the family [[Arcidae]], the ark clams.
==Description== Shell of ''Larkinia grandis'' can reach a diameter of about {{convert|7.5|cm}} and a height of about {{convert|9.6|cm}}. These shells are white, with 26 ribs and a dark, smooth periostracum.<ref>Angeline Myra Keen [https://books.google.com/books?id=Xj-2-KxUCcYC&dq=Larkinia+grandis&pg=PA46 Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru] Stanford University Press, 1971, s. 1064. {{ISBN|9780804707367}}.</ref>
==Distribution== This species is present in the North Pacific Ocean (Mexico, El Salvador, Peru, Gulf of California).<ref name="discoverlife">{{cite web|url=http://www.discoverlife.org/mp/20q?search=Larkinia+grandis&mobile=close|publisher=discoverlife.org|title=Larkinia grandis (Broderip and Sowerby, 1829) -- Discover Life mobile|accessdate=2016-11-05}}</ref>
==References== {{Reflist}}
{{Taxonbar|from=Q28432235}}
[[Category:Arcidae]] [[Category:Bivalves described in 1829]]
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