释义 |
- Fossil records
- Description
- Species
- Extinct species
- References
{{Automatic taxobox | fossil_range = {{fossil range|478.6|0|Arenig - Recent}} | image = Nucula nucleus 001.jpg | image_caption = A whole shell of Nucula nucleus | taxon = Nucula | authority = Lamarck, 1799 | synonyms =- Arca nucleus Linnaeus, 1758
}}Nucula is a genus of very small saltwater clams. They are part of the family Nuculidae. Fossil recordsThis genus is very ancient. Fossils are known from the Arenig to the Quaternary (age range: from 478.6 to 0.0 million years ago). Fossils are found in the marine strata all over the world.[1] DescriptionShells of species within this genus can reach a size of about {{convert|30|mm}}. They are equivalve, symmetrical, approximately triangular. The surface has fine concentric growth lines. These clams live in the muddy sand close to the sediment surface at a depth of 20 to 200 meters.[1] SpeciesNowadays there are still many species of this genus, which have had virtually no change in the course of time. Species within the genus Nucula include:[2] {{div col|colwidth=22em}}- Nucula aegeensis Jeffreys, 1879 - Aegean nutclam
- Nucula annulata Hampson, 1971
- Nucula atacellana Schenck, 1939 - cancellate nutclam
- Nucula austrobenthalis Dell, 1990
- Nucula beachportensis Verco, 1907
- Nucula benguelana (A. H. Clarke, 1961)
- Nucula brasiliana Esteves, 1984
- Nucula calcicola Moore, 1977 - reef nutclam
- Nucula callicredemna Dall, 1890
- Nucula cancellata Meek & Hayden, 1856
- Nucula cardara Dall, 1916
- Nucula carlottensis Dall, 1897 - Charlotte nutclam
- Nucula certisinus Finlay, 1930
- Nucula chrysocome
- Nucula consentanea Melvill & Standen, 1907
- Nucula covra Bergmans, 1978
- Nucula crassicostata E. A. Smith, 1872
- Nucula crassidens Nicklès, 1955
- Nucula crenulata A. Adams, 1856 - crenulate nutclam
- Nucula crystallina Poppe, Tagaro & Stahlschmidt, 2015
- Nucula culebrensis E. A. Smith, 1885
- Nucula cymella Dall, 1886
- Nucula darella Dall, 1916
- Nucula declivis Hinds, 1843
- Nucula delphinodonta Mighels & C. B. Adams, 1842 - dolphintooth nutclam
- Nucula distincta Turton, 1932
- Nucula donaciformis E. A. Smith, 1895
- Nucula dorsocrenata (Habe, 1977)
- Nucula dunedinensis Finlay, 1928
- Nucula exigua G. B. Sowerby I, 1833 - iridescent nutclam, short nutclam
- Nucula exodonta Prashad, 1932
- Nucula faba Xu, 1999
- Nucula falklandica Preston, 1912
- Nucula fernandensis Villarroel, 1971
- Nucula fernandinae Dall, 1927
- Nucula gallinacea Finlay, 1930
- Nucula granulosa Verrill, 1884
- Nucula groenlandica Posselt, 1898 - Greenland nutclam
- Nucula hanleyi Winckworth, 1931
- Nucula hartvigiana Pfeiffer, 1864
- Nucula hawaiensis Pilsbry, 1921
- Nucula inconspicua H. Adams, 1871
- Nucula insignis (Hayami & Kase, 1993)
- Nucula interflucta Marincovich, 1973
- Nucula iphigenia Dall, 1896
- Nucula irregularis G. B. Sowerby III, 1904
- Nucula izushotoensis (Okutani, 1966)
- Nucula kanaka Bergmans, 1991
- Nucula kerguelensis Thiele, 1912
- Nucula libera Bergmans, 1991
- Nucula malabarica Hanley, 1860
- Nucula mariae Nolf, 2005
- Nucula marmorea Hinds, 1843
- Nucula marshalli Schenck, 1939
- Nucula mayi (Iredale, 1930)
- Nucula mesembrina (Hedley, 1916)
- Nucula mitralis Hinds, 1843
- Nucula multidentata Prashad, 1933
- Nucula nicklesi Cosel, 1995
- Nucula nitidosa Winckworth, 1930 (unaccepted name: Nucula turgida Leckenby & Marshall, 1875)
- Nucula nitidula A. Adams, 1856
- Nucula nitidulaformis Powell, 1971
- Nucula notobenthalis Thiele, 1912
- Nucula nucleus (Linnaeus, 1758)
- Nucula oppressa Bergmans, 1991
- Nucula papillifera Thiele & Jaeckel, 1931
- Nucula paulula A. Adams, 1856
- Nucula percrassa (Conrad, 1858 )
- Nucula pisum G. B. Sowerby I, 1833
- Nucula planiculmen Kilburn, 1999
- Nucula praetenta Iredale, 1924
- Nucula profundorum E. A. Smith, 1885
- Nucula proxima Say, 1822 - Atlantic nutclam
- Nucula pseudoexigua Villarroel & Stuardo, 1998
- Nucula pusilla Angas, 1877
- Nucula recens Dell, 1956
- Nucula revei Bergmans, 1978
- Nucula rhytidopleura Kilburn, 1999
- Nucula rossiana Finlay, 1930
- Nucula rugulosa G. B. Sowerby I, 1833
- Nucula saltator (Iredale, 1939)
- Nucula schencki Hertlein & Strong, 1940
- Nucula sculpturata G. B. Sowerby III, 1904
- Nucula semen Thiele & Jaeckel, 1931
- Nucula semiornata d'Orbigny, 1842
- Nucula sericea Thiele & Jaeckel, 1931
- Nucula striolata A. Adams, 1856
- Nucula suahelica (Thiele & Jaeckel, 1931)
- Nucula subluxa Kilburn, 1999
- Nucula subovata Verrill & Bush, 1898
- Nucula sulcata Bronn, 1831
- Nucula sultana Thiele & Jaeckel, 1931
- Nucula surinamensis Van Regteren Altena, 1968
- Nucula tamatavica Odhner, 1943
- Nucula tenuis (Montagu, 1808)
- Nucula tersior Marwick, 1929 †
- Nucula thielei Schenck, 1939
- Nucula tokyoensis Yokoyama, 1920
- Nucula torresi E. A. Smith, 1885
- Nucula trigonica Lan & Lee, 2001
- Nucula tumidula (Malm, 1860)
- Nucula venezuelana Weisbord, 1964
- Nucula vincentiana (Cotton & Godfrey, 1938)
- Nucula zophos A. H. Clark, 1960
{{div col end}}Extinct speciesExtinct species within the genus Nucula include:[3] {{div col|colwidth=22em}}- N. alcocki † Noetling 1895
- N. andersoni † Clark & Durham 1946
- N. assiniboiensis † Russell & Landes 1937
- N. athabaskensis † McLearn 1931
- N. brewsterensis † Hassan 1953
- N. cancellata † Meek & Hayden 1857
- N. cancellata † Vredenburg 1928
- N. catalina † Olsson 1930
- N. chrysocoma † Dall 1908
- N. cilleborgensis † Ravn 1907
- N. concinna † Sowerby 1836
- N. cossmanni † Vincent 1892
- N. costaeimbricatus † Newton 1922
- N. crepida † Marwick 1931
- N. cunifrons † Conrad 1860
- N. domandaensis † Eames 1951
- N. gabbiana † Dickerson 1916
- N. greppina † Deshayes 1858
- N. major † Richards 1944
- N. mancorensis † Olsson 1931
- N. martini † Finlay 1927
- N. micheleae † Marincovich jr. 1993
- N. morundiana † Tate 1886
- N. narica † Vredenburg 1928
- N. nejdensis † Abbass 1972
- N. njalindugensis † Martin 1919
- N. observatoria † Ihering 1907
- N. orbicella † Olsson 1922
- N. paboensis † Olsson 1931
- N. paytensis † Adams 1856
- N. piacentina † Lamarck
- N. pilkeyi † Ward & Blackwelder 1987
- N. planimarginata † Meek & Hayden 1857
- N. praemissa † Semper 1861
- N. prunicola † Dall 1898
- N. rembangensis † Martin 1919
- N. reticularis † Ortmann 1900
- N. sedanensis † Haanstra & Spiker 1932
- N. semistriata † Tate 1886
- N. shaleri † Dall 1894
- N. sinaria † Dall 1898
- N. stantoni † Stephenson 1923
- N. studeri † d'Archiac 1850
- N. subrotundata † Morningstar 1922
- N. subtransversa † Nyst 1844
- N. suprastriata † Arnold 1903
- N. tallahalaensis † Dockery 1982
- N. taphria † Dall 1898
- N. tatriana † King 1850
- N. tersior † Marwick 1929
- N. tumida † Tenison Woods 1877
- N. turgens † Wood 1879
- N. venezuelana † Weisbord 1964
- N. ventricosa † Hall 1868
- N. vestigia † Marwick 1929
- N. vicksburgensis † Conrad 1848
- N. waikuraensis † Marwick 1931
- N. washingtonensis † Weaver 1916
{{div col end}}References1. ^Marine Microfauna Genus Trait Handbook 2. ^WoRMS 3. ^1 Fossilworks
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 {{ISBN|0-00-216906-1}}
{{Taxonbar|from=Q127873}} 5 : Nuculidae|Extant Ordovician first appearances|Paleozoic life of Alberta|Paleozoic life of Quebec|Bivalve genera |