Definition of Genus Arca
1. Noun. Type genus of the family Arcidae: ark shells and blood clams.
Generic synonyms: Mollusk Genus
Group relationships: Arcidae, Family Arcidae
Member holonyms: Ark Shell, Blood Clam
Genus Arca Pictures
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Lexicographical Neighbors of Genus Arca
Literary usage of Genus Arca
Below you will find example usage of this term as found in modern and/or classical literature:
1. Maryland Geological Survey by Maryland Geological Survey (1916)
"Union County, Mississippi. Kelma Chalk. Exogyra costata zone, Alabama River, Alabama. Family ARCIDAE Genus ARCA Linne [Systema Naturae, 1758, ed. x, p. ..."
2. Annals and Magazine of Natural History by William Jardine (1844)
"The ribs of this species are very characteristic, being comparatively broad, flat, very close-set, and more in number than in any other of the genus. ARCA ..."
3. Boston Journal of Natural History by Boston Society of Natural History (1844)
"... dredged it as far east as Lubec, and Dr. Ray has found it at Eastport. I have, also, found it among the shells from the Gulf and the Banks. Genus ARCA. ..."
4. Transactions of the Geological Society of London by Geological Society of London (1856)
"... a lower greensand species found in both France and England. Locality, Pondicherry. Genus ARCA, Linnaeus. 1. ..."
5. Journal of the Academy of Natural Sciences of Philadelphia by Academy of Natural Sciences of Philadelphia (1829)
"Genus ANOMIA. A. ephippium ? I have several specimens in good preservation from St. George's, Del. Genus ARCA. Casts of a small species are not unfrequent. ..."