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Taxonomy
Laevicardium was named by Swainson (1840) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 1112]. It is extant. Its type is Cardium oblongum.
It was reranked as Cardium (Laevicardium) by Gabb (1864), Gabb (1869), Glenn (1904), Gardner (1947).
It was assigned to Cardium by Gabb (1864), Gabb (1869), Glenn (1904), Gardner (1947); to Veneroida by Sepkoski (2002); to Cardiidae by Oostingh (1935), Marasti (1973), Ward and Blackwelder (1987), Lamprell and Whitehead (1992), Moths et al. (2010); and to Laevicardiinae by Vokes (1980), Woodring (1982), Dockery (1982), Schneider (1995), Moore (2003), Coan and Valentich-Scott (2012).
It was reranked as Cardium (Laevicardium) by Gabb (1864), Gabb (1869), Glenn (1904), Gardner (1947).
It was assigned to Cardium by Gabb (1864), Gabb (1869), Glenn (1904), Gardner (1947); to Veneroida by Sepkoski (2002); to Cardiidae by Oostingh (1935), Marasti (1973), Ward and Blackwelder (1987), Lamprell and Whitehead (1992), Moths et al. (2010); and to Laevicardiinae by Vokes (1980), Woodring (1982), Dockery (1982), Schneider (1995), Moore (2003), Coan and Valentich-Scott (2012).
Species
Cardium (Laevicardium) alaskensis, Cardium (Laevicardium) melvilli, Cardium (Laevicardium) mortoni, Cardium (Laevicardium) spillmani, Cardium (Laevicardium) unicolor, Dinocardium (Exocardium) chipolanum, L. (Laevicardium), L. biradiatum, L. compressum, L. crassum (syn. L. norvegicum), L. ecuadoriale, L. elatum, L. etheringtoni, L. leptorimum, L. lobulatum, L. multipunctatum, L. nemocardiforme, L. oblongum (syn. Cardium (Laevicardium) oblongum), L. papyraceum, L. pictum, L. pristis, L. serratum (syn. L. laevigatum, L. gorgasi, Cardium (Laevicardium) dalli), L. substriatum (syn. Cardium cruentatum, L. pedernalense, L. apicinum, Cardium elenense), L. sybariticum, L. tristiculum (syn. L. esutoruensis), L. venustulum, L. vitellinum
Species lacking formal opinion data
Cardium auberti, Cardium mansfieldi, Cardium norvegium, L. angustum, L. apertum, L. attenuatum, L. automolos, L. cingulatum, L. ciprium, L. corpulentum, L. cyprium, L. elongatum, L. excomatulum, L. gardnerae, L. gigas, L. hispanicum, L. ishidoense, L. kelirense, L. kovacovense, L. laevicardium, L. loxotones, L. majanatschense, L. nicense, L. njalindungense, L. puchlense, L. rutteni, L. sandbergeri, L. shiobarense, L. spondyloides, L. spondyloides, L. subcostale, L. subfragile, L. sublineatum, L. subturgidum, L. subturgidum, L. subturgidum, L. taracaicum, L. tenuicostatum, L. tenuisulcatum, L. turgidum, L. viatorium, L. yoshidoense
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2013-04-30
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Laevicardium Swainson p. 373 |
| 1846 | Liocardium Agassiz |
| 1864 | Cardium (Laevicardium) Gabb p. 171 |
| 1869 | Cardium (Laevicardium) Gabb p. 187 |
| 1904 | Cardium (Laevicardium) Glenn p. 322 |
| 1935 | Laevicardium Oostingh p. 180 |
| 1947 | Cardium (Laevicardium) Gardner p. 142 |
| 1964 | Dinocardium (Exocardium) Olsson |
| 1973 | Laevicardium Marasti p. 108 |
| 1980 | Laevicardium Vokes p. 129 |
| 1982 | Laevicardium Dockery p. 74 |
| 1982 | Laevicardium Woodring p. 646 |
| 1987 | Laevicardium Ward and Blackwelder p. 130 |
| 1992 | Laevicardium Lamprell and Whitehead p. 70 |
| 1995 | Laevicardium Schneider p. 339 |
| 2002 | Laevicardium Sepkoski |
| 2003 | Laevicardium Moore |
| 2010 | Laevicardium Moths et al. |
| 2012 | Laevicardium Coan and Valentich-Scott p. 421 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Laevicardium Swainson 1840
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Cardium (Laevicardium) alaskensis Clark 1932
†Cardium (Laevicardium) melvilli Newton 1905
†Cardium (Laevicardium) mortoni Conrad 1831
†Cardium (Laevicardium) spillmani Conrad 1858
Cardium (Laevicardium) unicolor Sowerby 1840
Subg. Laevicardium (Laevicardium) Swainson 1840
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†Laevicardium (Laevicardium) decorticatum Wood 1840
†Laevicardium (Laevicardium) tegalense Oostingh 1934
Laevicardium biradiatum Bruguière 1789
†Laevicardium compressum Dall 1900
†Laevicardium ecuadoriale Olsson 1932
Laevicardium elatum Sowerby I 1833 [smooth giant cockle]
†Laevicardium etheringtoni Slodkewitsch 1938
†Laevicardium leptorimum Dockery 1982
Laevicardium lobulatum Vidal and Kirkendale 2007
Laevicardium multipunctatum Sowerby 1833
†Laevicardium nemocardiforme Kafanov and Savizky 1983
Laevicardium oblongum Gmelin 1791
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Invalid names: Cardium (Laevicardium) oblongum Trentanove 1901 [synonym]
†Laevicardium papyraceum Bruguière 1792
Laevicardium pictum Ravenel 1861
Laevicardium pristis Bory de Saint-Vincent 1827
†Laevicardium serratum Linnaeus 1758
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Invalid names: Laevicardium laevigatum Linnaeus 1758 [replaced]
Laevicardium substriatum Conrad 1837 [Pacific eggcockle]
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Invalid names: Cardium cruentatum Gould 1855 [synonym], Cardium elenense Sowerby II 1840 [synonym], Laevicardium apicinum Carpenter 1864 [synonym], Laevicardium pedernalense Pilsbry and Olsson 1941 [synonym]
Laevicardium sybariticum Dall 1886
†Laevicardium tristiculum Yokoyama 1924
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Invalid names: Laevicardium esutoruensis Krishtofovich 1957 [synonym]
†Laevicardium venustulum Gabb 1873
Laevicardium vitellinum Reeve 1844
Invalid names: Exocardium Olsson 1964 [synonym], Liocardium Agassiz 1846 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926, Todd 2001 | |||||
Age range
Maximum range based only on fossils: base of the Neocomian to the top of the Holocene or 143.10000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 125.77 Ma
Minimum age of oldest fossil (stem group age): 125.77 Ma
Collections (374 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Neocomian | Japan (Gumma) | L. ishidoense (40488) | |
| Aptian | Japan | L. corpulentum (69101) L. ishidoense (69104) | |
| Aptian | Japan (Kochi) | L. corpulentum (40222) | |
| Albian | Japan (Kumamoto) | L. ishidoense (40469 40601) | |
| Late/Upper Albian | Spain | L. hispanicum (66129) | |
| Early/Lower Eocene | Hungary | L. sp. (78013) | |
| Middle Eocene | Indonesia | L. subfragile (70082 79524) | |
| Bartonian | USA (Mississippi) | L. gardnerae (90704) | |
| Bartonian | New Zealand (Canterbury) | L. sp. (50149) | |
| Priabonian | Belgium | L. tenuisulcatum (3715) | |
| Priabonian | Italy | L. sp. (78617) | |
| Priabonian | USA (Alabama) | L. sp. (3538) | |
| Priabonian | Germany (Bavaria) | L. nicense (10703) | |
| Early/Lower Oligocene | Argentina | L. sp. (71600) | |
| Early/Lower Oligocene | USA (Georgia) | Cardium sp. (60838) | |
| Early/Lower Oligocene | Russian Federation | L. taracaicum (70518) L. tristiculum (70445) | |
| Rupelian | Russian Federation | L. puchlense (49980) | |
| Rupelian | Germany (Baden-Württemberg) | L. tenuisulcatum (68021) | |
| Rupelian | USA (Mississippi) | L. leptorimum (5941 5942 5943 5944 5947) | |
| Chattian | USA (Alaska) | Cardium alaskensis (195957 195958 195964 195965) | |