Nuculana commutata, copyright National Museum Wales.

Belongs within: Nuculanoidea.

Nuculana is a cosmopolitan genus of infaunal bivalves known from the Triassic to the present day. Members of the genus have a produced posterior end, concentric sculpture, and a narrow, oblique ligament pit.

|–N. (*Adrana) elongata (Sowerby 1832) [=Nucula elongata] F27b
|–N. (Ezonuculana) mactraeformis Nagao 1932 AJH07
|–N. (Jupiteria Bellardi 1875) P61
|    |–N. (*J.) concava [=Nucula concava] P61
|    |–N. (J.) amuriensis Woods 1917 F27a
|    |–N. (J.) manawatawhia Powell 1937 P61
|    |–N. (J.) onairoensis Marwick 1926 F27a
|    |–N. (J.) wolffi Dell 1956 P61
|    `–N. (J.) zealedaformis Dell 1953 P61
|–N. (Pseudoportlandia Woodring 1925) F27a
|    |–N. (*P.) clara [=Leda clara] F27a
|    `–N. (P.) solenelloides (Marshall 1919) [=Sarepta solenelloides] F27a
`–N. (Saccella Woodring 1925) P61
|–N. (*S.) commutata [=Leda commutata] P61
|–N. (S.) bellula (Adams 1856) P61
|–N. (S.) fastidiosa F27a
|–N. (S.) fragilis [=Arca fragilis] F27a
|–‘Saccella’ gordonis (Yokoyama 1920) XZ10
|–N. (S.) hedleyi Fleming 1951 P61
|    |–N. h. hedleyi P61
|    `–N. h. morioria Dell 1956 P61
`–N. (S.) semiteres (Hutton 1877) [=Leda semiteres; incl. N. belluloides Marshall 1919] F27a

Nuculana incertae sedis:
N. abrupta (Dana 1849) [=Nucula abrupta] F71
N. acuta (Conrad 1832) [=Nucula acuta] F27b
N. ‘acuta’ (Sowerby 1840) [=Nucula acuta non Conrad 1832] F27b
N. acuticauda [=Leda acuticauda] F27b
N. alata Muller 1859 F27b
N. apiculata (Reuss 1844) [=Nucula apiculata] F27b
N. bellistriata [incl. N. bellistriata var. attenuata] G31
N. chapmani Finlay 1924 [=Leda apiculata Tate 1886 non Nucula apiculata Reuss 1844] F27b
N. concinna (Dana 1849) F71
N. ellisi Marwick 1926 F27a
N. etheridgei F71
N. fossa GW02
N. hamata B56
N. martini Finlay 1927 [=Crassatella alata Martin 1887, N. alata non Muller 1859] F27b
N. minuta GW02
N. ovum [incl. N. complanata] H00
N. pella GW02
N. pernula GW02
N. striata Sherrard 1959 F71
N. taphria B56
N. verconis (Tate 1891) MG-H11
N. waterhousei Etheridge 1888 F71

*Type species of generic name indicated


[B56] Berry, S. S. 1956. Mollusca dredged by the Orca off the Santa Barbara Islands, California, in 1951. Journal of the Washington Academy of Sciences 46 (5): 150–157.

[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.

[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1–167.

[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.

[G31] Grabau, A. W. 1931. The Permian of Mongolia: A report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world. American Museum of Natural History: New York.

[H00] Hodges, P. 2000. The Early Jurassic Bivalvia from the Hettangian and Lower Sinemurian of south-west Britain. Part 1. Monograph of the Paleontographical Society 614: 1–64.

[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 4th ed. Whitcombe and Tombs Limited: Christchurch.

[XZ10] Xu, F., & J. Zhang. 2010. Study on the bivalve faunal composition of the Yellow Sea and Bohai Sea. In: China-Russia Bilateral Symposium: Proceedings of the China-Russia Bilateral Symposium of “Comparison on Marine Biodiversity in the Northwest Pacific Ocean”, 10–11 October 2010, Qingdao (China) pp. 7–12. Institute of Oceanology, Chinese Academy of Sciences; A. V. Zhirmunsky Institute of Marine Biology, Far East Branch of the Russian Academy of Sciences.

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