Venericardia

Venericardia imbricata, from here.

Belongs within: Carditoidea.

Venericardia is a Caenozoic genus of cockle-like bivalves. The shell is subquadrangular in shape in the type subgenus, but more transversely elliptical in Megacardita (Cox et al. 1969).

Characters (from Cox et al. 1969): Rounded trigonal, inequilateral, thick-shelled, with numerous radial ribs evenly elevated at young stage but becoming flattened and enlarged in adults. Hinge with compressed 3a and 3b higher than long.

<==Venericardia Lamarck 1801 F27a
    |  i. s.: V. acanthodes A27
    |         V. amabilis Deshayes 1854 H09
    |         V. awamoaensis Harris 1879 [incl. V. pseustes Suter 1917] F27b
    |         V. capricornia Darragh & Kendrick 2010 DK10
    |         V. cardioides (Reeve 1843) MG-H11
    |         V. corbis F27a
    |         V. gracilicostata Q72
    |         V. lutea (see below for synonymy) F27a
    |         V. marshalli Marwick 1924 F27a
    |         V. noetlingi Finlay 1927 [=Cardita planicostata Noetling 1901 non C. planicosta Lamarck 1806] F27b
    |         V. purpurata (Deshayes 1854) P61 [incl. V. purpurata difficilis F27a, P61]
    |         V. reinga Powell 1933 P61
    |         V. rosulenta (Tate 1887) MG-H11
    |         V. sowerbyi M54
    |         V. subintermedia Suter 1917 [incl. Cardium (Glans) kaiparaensis Marshall 1918] F27a
    |         V. urutiensis Marwick 1926 F27a
    |         V. zelandica Potiez & Michaud 1838 F27a
    |--*V. (Venericardia) imbricata DK10
    `--V. (Megacardita Sacco 1899) F27b
         |--V. (M.) jouanneti F27b
         |    |--V. j. jouanneti F27b
         |    `--V. j. titan Finlay 1927 [=V. ponderosa Cossmann 1913 non Suter 1913] F27b
         `--V. (M.) ponderosa Suter 1913 F27b

Venericardia lutea [=Cardita zelandica Desh. 1854 non V. zelandica Potiez & Michaud 1838; incl. V. bollonsi Suter 1907] F27a

*Type species of generic name indicated

REFERENCES

[A27] Allan, R. S. 1927. The geology and palaeontology of the Lower Waihao Basin, south Canterbury, New Zealand. Transactions and Proceedings of the New Zealand Institute 57: 265–309.

Cox, L. R., N. D. Newell et al. 1969. Treatise on Invertebrate Paleontology pt N. Bivalvia vol. 2. The Geological Society of America, Inc. and The University of Kansas.

[DK10] Darragh, T. A., & G. W. Kendrick. 2010. Eocene molluscs from the Merlinleigh Sandstone, Carnarvon Basin, Western Australia. Records of the Western Australian Museum 26 (1): 23–41.

[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.

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

[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.

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

[Q72] Quilty, P. G. 1972. The biostratigraphy of the Tasmanian marine Tertiary. Papers and Proceedings of the Royal Society of Tasmania 106: 25–44.