Arca diluvii, copyright Hectonichus.

Belongs within: Arcoidea.

The Arcinae are a group of byssally-attached bivalves that are first definitely known from the Jurassic. Members of the type genus, Arca, have elongate, inaequilateral shells with a subrectangular to subtrapezoidal shape, that are commonly expanded or auriculate posteriorly (Cox et al. 1969).

Characters (from Cox et al. 1969): Nestling or rock-boring forms characteristically with byssal gape and commonly corresponding shallow sinus at ventral margin for emergence of byssus; ventral border not crenulate.

    |--Acar Gray 1857 BD86, K07
    |    |--*A. divaricata P61
    |    |--A. gradata [=Arca gradata] F27a
    |    |--A. sandersonae Powell 1933 P61
    |    `--A. sociella (Brookes 1926) [=Arca sociella] F27a
    `--Arca Linne 1758 SY85
         |  i. s.: A. acupicta Viader 1951 L96
         |         A. afra Gmelin 1791 H09
         |         A. approximata Viader 1951 L96
         |         A. avellana Lamarck 1819 BW09
         |         A. boucardi KBC03
         |         A. clathrata Defrance 1816 [incl. A. clathrata Lamarck 1819 non Defrance 1816] F27b
         |         A. ‘clathrata’ Reeve 1844 (n. d.) nec Defrance 1816 nec Lamarck 1819 F27b
         |         A. corpulenta Smith 1885 H09
         |         A. cottoni Waghorn 1927 W27
         |         A. dautzenbergi Lamy 1907 H09
         |         A. decussata (Sowerby 1833) [=Byssoarca decussata] H09
         |         A. disparilis Reeve 1844 H09
         |         A. elegans Viader 1951 L96
         |         A. euryta [incl. A. clathrata Leckenby 1858 nec Defrance 1816 nec Lamarck 1819 nec Reeve 1844] F27b
         |         A. fasciata Reeve 1844 H09
         |         A. foliata Forskäl 1775 H09
         |         A. fusca Bruguière 1792 H09
         |         A. glacialis Mighels 1843 J49
         |         A. granosa Linnaeus 1758 H09
         |         A. hectori Woods 1917 F27a
         |         A. imbricata Bruguière 1792 H09
         |         A. lateralis Reeve 1844 H09
         |         A. lienardi Viader 1951 L96
         |         A. navicularis Bruguière 1789 MG-H11
         |         A. noae (Linnaeus 1758) M12
         |         A. obesa Sowerby 1833 F27b
         |         A. pilula Reeve 1844 H09
         |         A. reticulata F27a
         |         A. semitorta Lamarck 1819 H09
         |         A. squamosa M54
         |         A. tenebrica Reeve 1844 H09
         |         A. tenella Reeve 1844 H09
         |         A. tortuosa Linnaeus 1758 H09
         |         A. tetragona GW02
         |         A. ventricosa Lamarck 1819 MG-H11
         |         A. wendti Lamy 1907 H09
         |--A. (Arca) subvelata Suter 1917 F27a
         |--A. (Anadarca Gray 1847) F27a
         `--A. (Diluvarca Woodring 1925) F27a
              |--A. (*D.) diluvii F27a
              `--A. (D.) trapezia Deshayes 1839 F27a, H09

*Type species of generic name indicated


[BD86] Barash, A., & Z. Danin. 1986. Further additions to the knowledge of Indo-Pacific Mollusca in the Mediterranean Sea (Lessepsian migrants). Spixiana 9 (2): 117–141.

[BW09] Bryce, C., & C. Whisson. 2009. The macromolluscs of Mermaid (Rowley Shoals), Scott and Seringapatam Reefs, Western Australia. Records of the Western Australian Museum Supplement 77: 177–208.

Cox, L. R., N. D. Newell et al. 1969. Treatise on Invertebrate Paleontology pt N. Bivalvia vol. 1. The Geological Society of America, Inc. and The University of Kansas.

[F27a] Finlay, H. J. 1927a. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[F27b] Finlay, H. J. 1927b. New specific names for austral Mollusca. Transactions and Proceedings of the New Zealand Institute 57: 488–533.

[GW02] Giribet, G., & W. Wheeler. 2002. On bivalve phylogeny: a high-level analysis of the Bivalvia (Mollusca) based on combined morphology and DNA sequence data. Invertebrate Biology 121 (4): 271–324.

[H09] Hedley, C. 1909. The Marine Fauna of Queensland: Address by the President of Section D. Australasian Association for the Advancement of Science: Brisbane.

[J49] Johnson, R. I. 1949. Jesse Wedgwood Mighels with a bibliography and a catalogue of his species. Occasional Papers on Mollusks 1 (14): 213–231.

[K07] Kamenev, G. M. 2007. The taxonomic position of Bentharca xenophoricola (Kuroda, 1929) and Bentharca rubrotincta Kuroda & Habe in Habe, 1958 (Bivalvia: Arcidae). Malacologia 49 (2): 351–365.

[KBC03] Kashin, I. A., E. V. Bagaveeva & S. F. Chaplygina. 2003. Fouling communities of hydrotechnical constructions in Nakhodka Bay (Sea of Japan). Russian Journal of Marine Biology 29: 267–283.

[L96] Loch, I. 1996. Notice: R. Viader collection. Molluscan Research 17: 110.

[M54] Macpherson, J. H. 1954. Molluscs (sea shells and snails). In: Willis, J. M. (ed.) The Archipelago of the Recherche pp. 55–63. Australian Geographical Society: Melbourne.

[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.

[M12] Morton, B. 2012. The biology and functional morphology of Nucula pusilla (Bivalvia: Protobranchia: Nuculidae) from Western Australia, Australia: primitive or miniature simplicity? Records of the Western Australian Museum 27 (2): 85–100.

[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.

[SY85] Sha J.-G. & Yuan F.-S. 1985. Buchia fauna from Dong’anzhen Formation near Dong’an of Raohe County, Heilongjiang. Acta Palaeontologica Sinica 24 (6): 651–662.

[W27] Waghorn, R. J. 1927. The geology of the Ruakokopatuna Valley, southern Wairarapa. Transactions and Proceedings of the New Zealand Institute 57: 226–234.

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