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Taxonomy
Lasaeidae was named by Gray (1842). It is extant.
It was assigned to Chamacea by Ward and Blackwelder (1987); and to Galeommatoidea by Coan et al. (2000), Bouchet et al. (2010), Carter et al. (2011) and Hickman (2015).
It was assigned to Chamacea by Ward and Blackwelder (1987); and to Galeommatoidea by Coan et al. (2000), Bouchet et al. (2010), Carter et al. (2011) and Hickman (2015).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Lasaeidae Gray |
| 1847 | Leptonidae Gray |
| 1869 | Scacchiidae Récluz |
| 1904 | Leptonidae Glenn p. 327 |
| 1965 | Leptonidae Newell p. 19 |
| 1980 | Leptonidae Vokes p. 111 |
| 1987 | Lasaeidae Ward and Blackwelder p. 130 |
| 1987 | Leptonidae Ward and Blackwelder p. 130 |
| 1990 | Leptonidae Beu et al. p. 397 |
| 2000 | Lasaeidae Coan et al. p. 258 |
| 2005 | Leptonidae Rosenberg |
| 2009 | Leptonidae Nevesskaja |
| 2010 | Lasaeidae Bouchet et al. |
| 2011 | Lasaeidae Carter et al. p. 17 |
| 2015 | Lasaeidae Hickman p. 16 |
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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.
Fm. Lasaeidae Gray 1842 [kelly clam]
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G. Aligena Lea 1843 [aligena clam]
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Subg. Aligena (Aligena) Lea 1843
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†Aligena (Aligena) diegoana Hertlein and Grant 1972
†Aligena (Aligena) orbicularis Wood 1840
†Aligena aequata Conrad 1843
†Aligena cerritensis Arnold 1903
Aligena cokeri Dall 1909
Aligena elevata Stimpson 1851
†Aligena pustulosa Dall 1898
†Aligena striata Lea 1843
Aligena texasiana Harry 1969
Invalid names: Kelliopsis Verrill and Bush 1898 [synonym], Orobitella Dall 1900 [synonym]
G. Cymatioa Berry 1963
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Cymatioa electilis Berry 1963
Invalid names: Crenimargo Berry 1963 [replaced]
G. Diarmaidia Coan and Valentich-Scott 2012
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Diarmaidia bidentata Montague 1803
Diarmaidia egretta Olsson 1961
Diarmaidia jingchunae Coan and Valentich-Scott 2012
Diarmaidia zorritensis Olsson 1961
G. Kellia Fischer 1884
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†Kellia ambigua Nyst and Westendorp 1839
†Kellia antiqua Marwick 1926
†Kellia cycladia Wood 1840
†Kellia lajollaensis Hanna 1927
†Kellia micans Tate 1887
†Kellia pumila Wood 1840
†Kellia rotunda Deshayes 1855
†Kellia rotundula Glenn 1904
†Kellia saxiriva Hickman 2015
†Kellia uvasana Dickerson 1915
†Kellia vokesi Hickman 2015
Invalid names: Chironia Deshayes 1839 [synonym]
G. Kurtiella Gofas and Salas 2008
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Kurtiella ellipticum Carpenter 1857
Kurtiella garfinkleae Coan and Valentich-Scott 2012
Kurtiella lediforme Olsson 1961
Kurtiella pedroana Dall 1899
Kurtiella regueroae Coan and Valentich-Scott 2012
Kurtiella sublaevis Carpenter 1857
Kurtiella tumida Carpenter 1864
Kurtiella umbonatum Carpenter 1857
G. Lasaea Brown 1827
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Lasaea adansoni Gmelin 1791
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Invalid names: Amphidesma nucleola Lamarck 1818 [synonym], Bornia seminulum Philippi 1836 [synonym], Cardium rubrum Montagu 1803 [synonym], Lasaea cistula Keen 1938 [synonym], Lasaea subviridis Dall 1899 [synonym]
†Lasaea australis Lamarck 1818
G. Neaeromya Gabe 1873
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Neaeromya margarita Olsson 1961
Neaeromya obliqua Harry 1969
Neaeromya rugifera Carpenter 1864
Neaeromya subquadrata Gabb 1872
Neaeromya zorrita Olsson 1961
G. Scacchia Philippi 1844
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Subg. †Scacchia (Austroscintilla)
Subg. Scacchia (Scacchia) Philippi 1844
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†Scacchia (Scacchia) degrangei Cossmann and Peyrot 1911
Scacchia (Scacchia) elliptica Scacchi 1833
Invalid names: Borniinae Bernard 1983 [empty], Leptonidae Gray 1847 [synonym], Orobitellinae Bernard 1983 [empty], Scacchiidae Récluz 1869 [synonym], Thecodontinae Bernard 1983 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Eames 1951, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Danian to the top of the Holocene or 66.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Collections (170 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Belgium | Divarikellia montensis (22931) | |
| Ypresian | USA (Alabama) | Lepton vaughani (92375) | |
| Eocene | USA (California) | Corbula harrisi, Corbula uvasana (207112) | |
| Lutetian | USA (Texas) | Kellia microstriatula (205533) | |
| Lutetian | USA (California) | Kellia lajollaensis (200743) | |
| Bartonian | France (Oise) | Lepton pusiolum (3494) | |
| Bartonian | USA (Texas) | Kellia sp. (205430) | |
| Bartonian | USA (Alabama) | Kellia sp. (205489) | |
| Bartonian | USA (Mississippi) | Kellia interstriata (98501) | |
| Kaiatan | New Zealand | Kellia antiquata (67839) | |
| Kaiatan | New Zealand (South Island) | Kellia antiqua (205813) | |
| Priabonian | USA (Oregon) | Kellia saxiriva (39948) | |
| Late/Upper Eocene | United Kingdom (England) | Kellia sp. (39662) | |
| Early/Lower Oligocene | France (Essonne) | Kellia raulini (9183) | |
| Late/Upper Oligocene | Germany | Lasaea sp. (70002) | |
| Chattian | USA (Washington) | Kellia twinensis (52357 52362) | |
| Aquitanian | France (Aquitaine) | Kellya sp., Lepton transversarium (74865) | |
| Early/Lower Miocene | Ecuador (Guayas) | Temblornia virgata (96513) | |
| Early/Lower Miocene - Middle Miocene | Germany (North Rhein-Westfalia) | Aligena sp. (62884) | |
| Burdigalian | Germany | Scacchia degrangei, Lepton transversum (111599) | |
| Burdigalian | USA (Florida) | Aligena lineata (42605 42657 42663) Aligena lineata, Aligena pustulosa (42482) Aligena pustulosa (41760) | |
| Barstovian | USA (Nebraska) | Kellia vokesi (18285) | |
| Langhian - Serravallian | Netherlands | Mysella bidentata (186884) Mysella bidentata, Lepton transversarium (186883) | |
| Middle Miocene | Bulgaria | Lepton punctatum (60288) | |
| Middle Miocene | Poland | Lasaea rubra (51689) | |
| Middle Miocene | Germany (North Rhein-Westfalia) | Lepton transversarium (61904) Mysella bidentata (61900) Properycina edlaueri, Mysella bidentata, Lepton transversarium (61896) Properycina edlaueri, Scacchia degrangei (61897) Scacchia degrangei (61898 61905) | |
| Serravallian | USA (Florida) | Aligena lineata (42886 42888 43036 94810 136943) Aligena lineata, Aligena sp., Aligena pustulosa (43014) Aligena lineata, Bornia virgata (42870) Aligena sp., Aligena lineata, Aligena pustulosa, Bornia virgata (111204) Bornia virgata (42692 68970) | |
| Serravallian | USA (Maryland) | Aligena aequata (79103 79108 79110 79111 79114 79352) | |
| Tortonian | Panama | Temblornia sp. (145524) Temblornia virgata (52170 93149) | |
| Tortonian | Italy (Pordenone) | Lepton transversarium (37379) | |
| Tortonian | Belgium | Aligena sp., Scacchia degrangei (77870) Scacchia degrangei (77862 77863 77864 77865 77866 77867 77868 77869 77871) | |
| Tortonian | Denmark | Lepton transversarium (98312) | |
| Tortonian - Messinian | Italy | Lepton squamosum, Phascoliophila phascolionis (207782) | |
| Late/Upper Miocene | Australia (South Australia) | Properycina micans (63435) Properycina torrensensis (63439) | |
| Zanclean | United Kingdom (England) | Lepton squamosum, Kellia suborbicularis, Kellia orbicularis, Kellia ambigua, Kellia elliptica, Kellia cycladia, Kellia pumila, Kellia rubra, Montacuta bidentata (84755) Montacuta bidentata (84763) | |
| Zanclean | Australia (Victoria) | Lepton trigonale (166744) | |
| Zanclean | Belgium | Kellia suborbicularis, Mysella bidentata, Aligena orbicularis, Lasaeina ambigua (86801) Kellia suborbicularis, Mysella bidentata, Lasaeina ambigua (86802) | |
| Pliocene | Belgium | Mysella bidentata (76982) | |
| Late/Upper Pliocene | USA (Virginia) | Aligena aequata (78269) | |
| Late/Upper Pliocene | Jamaica | Neaeromya menotreta (58522) | |
| Late/Upper Pliocene | Indonesia | Kellia sp. (70084) | |
| Late/Upper Pliocene | USA (California) | Chironia suborbicularis (200412) | |
| Late/Upper Pliocene | USA (South Carolina) | Aligena aequata (92412) | |
| Late/Upper Pliocene | USA (North Carolina) | Aligena rhomboidea (59307 69018) Aligena striata (58895) | |
| Late/Upper Pliocene | United Kingdom (England) | Kellia ambigua (84759) Kellia suborbicularis, Kellia ambigua, Montacuta bidentata (84764) | |
| Piacenzian | Belgium | Mysella bidentata (86803) Scacchia elliptica, Mysella bidentata, Lasaeina ambigua (86804 86805) | |
| Piacenzian | USA (California) | Kellia laperousii (189542) | |
| Piacenzian | Panama (Bocas) | Kellia sp. (79794) | |
| Gelasian | USA (California) | Kellia laperousii (189765) Rochefortia tumida (207663) | |
| Gelasian | USA (North Carolina) | Aligena striata (71138) | |
| Early/Lower Pleistocene | Ecuador (Manabi) | Aligena cokeri, Orobitella zorrita, Orobitella margarita, Mysella compressa (48664) Mysella compressa (48665) | |
| Early/Lower Pleistocene | USA (California) | Lasaea subviridus (202496) | |
| Early/Lower Pleistocene | United Kingdom (England) | Kellia pumila (98037) Kellia sp., Mysella bidentata (97964) Lepton nitidium (98034 98035 98039) Lepton nitidium, Mysella bidentata (98033 98040) Mysella bidentata (97962 97963 97966) | |
| Early/Lower Pleistocene | USA (North Carolina) | Aligena striata (58897 69043) | |
| Early/Lower Pleistocene - Late/Upper Pleistocene | USA (California) | Lasaea cistula (223075) | |
| Pleistocene | USA (California) | Chironia subauricularis, Rochefortia tumida (201624) | |
| Pleistocene | USA (New Jersey) | Aligena elevata (66626) | |
| Pleistocene | Mexico (Baja California) | Kellia laperousi (96593) Kellia laperousi, Lasaea subviridus (96592) Lasaea cistula, Kellia laperousi, Lasaea subviridus (96590) | |
| Quaternary | USA (California) | Lasaea cistula (37933 37934 37936 37939 37940 37943 37945 37947) Lasaea cistula, Kellia laperousii (37948) | |
| Middle Pleistocene | USA (California) | Kellia laperousii (138723 222665) Kellia suborbicularis, Kellia laperousii (222664) Kellia suborbicularis, Kellia laperousii, Bornia retifera (222663) Lasaea cistula (202492) Lasaea subviridus (202493 202494) | |
| Middle Pleistocene - Late/Upper Pleistocene | Morocco | Montacuta bidentata (127636) | |
| Late/Upper Pleistocene | Turkey | Lasaea rubra (78333) Lasaea rubra, Mysella bidentata (78332) | |
| Late/Upper Pleistocene (interglacial) | Mexico (Baja California) | Lasaea sp. (89573 194405) | |
| Late/Upper Pleistocene | USA (Alaska) | Mysella tumida (37632) | |
| Late/Upper Pleistocene | Mexico (Baja California) | Kellia laperousi, Lasaea subviridus (96591) | |
| Late/Upper Pleistocene | Netherlands | Mysella bidentata (98196 98197 98200 98201 98205) | |
| Late/Upper Pleistocene | USA (Massachusetts) | Aligena elevata (61267) | |
| Late/Upper Pleistocene | Japan | Kellia minutissima (97961) Lepton subrotundum (96945) | |
| Late/Upper Pleistocene | Ecuador | Kellia suborbicularis (96867) | |
| Late/Upper Pleistocene | USA (South Carolina) | Aligena elevata (66760) | |
| Late/Upper Pleistocene | Poland | Mysella bidentata (64001 64027) | |
| Late/Upper Pleistocene | USA (California) | Aligena cerritensis (219029 219030 222661) Kellia laperousi, Aligena cerritensis (160361) Kellia laperousii, Bornia retifera, Aligena cerritensis (96566) Kellia suborbicularis, Bornia retifera, Aligena cerritensis (59063) Lasaea subviridus (202490) Mysella tumida (37672 96900 96901) | |
| Late/Upper Pleistocene | USA (Maryland) | Aligena elevata (66721) | |
| Late/Upper Pleistocene | Mexico (Sonora) | Orobitella obliqua (44963) | |
| Late/Upper Pleistocene | France (Corse) | Lasaea rubra (84939) | |
| Late/Upper Pleistocene | Australia (Western Australia) | Lasaeidae indet. (63351) | |
| Holocene | USA (Louisiana) | Aligena texasiana, Lepton lepidum (41935 92776) | |
| Holocene | Argentina | Lasaea sp. (71601 71602 71603) |