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Megacardita

Bivalvia - Carditida - Carditidae

Taxonomy
Megacardita was named by Sacco (1899) [Sepkoski's age data: T Eo-m-l R]. It is extant.

It was reranked as Venericardia (Megacardita) by Fleming (1966).

It was assigned to Carditidae by Vokes (1939); to Venericardia by Fleming (1966); to Venericardiinae by Vokes (1980) and Beu et al. (1990); and to Veneroida by Sepkoski (2002).

Synonymy list
YearName and author
1899Megacardita Sacco
1939Megacardita Vokes pp. 65, 66
1966Venericardia (Megacardita) Fleming p. 152
1980Megacardita Vokes p. 119
1990Megacardita Beu et al. p. 398
2002Megacardita Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CarditioniDall 1889
orderCarditida(Dall 1889)
superfamilyCrassatelloidea(Férussac 1822)
familyCarditidaeFleming 1820
subfamilyVenericardiinaeChavan 1969
genusMegacarditaSacco 1899

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. Megacardita Sacco 1899
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†Cardita incrassata Sowerby 1825
†Megacardita ponderosa Suter 1913
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Invalid names: Venericardia caelebs Marwick 1929 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitesuperf
Environment: marinesuperf
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindsuperf
Created: 2009-08-17 20:23:42
Modified: 2009-08-17 22:23:42
Source: f = family, superf = superfamily
References: Sanchez Roig 1926, Eames 1951

Age range: base of the Early/Lower Eocene to the top of the Late/Upper Pleistocene or 55.80000 to 0.01170 Ma

Collections (40 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene55.8 - 48.6Russian Federation M. matschigarica (70564)
Lutetian - Bartonian47.8 - 38.0Russian Federation M. utcholokensis (50051)
Bartonian - Priabonian41.3 - 33.9Russian Federation M. matschigarica (50151)
Late/Upper Eocene37.2 - 33.9Japan Venericardia japonica (70922)
Early/Lower Oligocene33.9 - 28.4Russian Federation M. matschigarica (70463 70518)
Rupelian33.9 - 28.1Russian Federation M. utcholokensis (49980)
Late/Upper Oligocene28.4 - 23.03Russian Federation M. matschigarica (70464 70475)
Late/Upper Oligocene28.4 - 23.03New Zealand (Central Otago) Venericardia ponderosa (35118 35127) Venericardia sp. (35131)
Chattian28.1 - 23.03New Zealand (Central Otago) Venericardia sp. (35119)
Duntroonian27.3 - 25.2New Zealand (South Island) Venericaridia ponderosa (205329)
Aquitanian - Burdigalian23.03 - 15.97Russian Federation M. chukotica (50041) M. chukotica, M. matschigarica (50050)
Early/Lower Miocene23.03 - 15.97Russian Federation M. matschigarica (45442)
Langhian15.97 - 13.82Austria M. sp. (146512)
Middle Miocene15.97 - 11.608Japan Venericardia osawanoensis (70302)
Middle Miocene15.97 - 11.608Poland M. laticostata (51688)
Middle Miocene15.97 - 11.608Russian Federation M. chukotica (45445) M. matschigarica (70562)
Serravallian13.82 - 11.62USA (Florida) M. hesperide (111204)
Serravallian13.82 - 11.62France M. jouanneti (34609)
Badenian13.65 - 12.7Poland M. laticosta (51687)
Badenian13.65 - 12.7Slovakia M. jouanneti (73137 145973)
Tortonian11.62 - 7.246Italy (Pordenone) M. jouranneti (37368)
Late/Upper Miocene11.608 - 5.333Russian Federation M. matschigarica (70444)
Early/Lower Pliocene5.333 - 3.6Japan Venericardia ferruginosa (97031 97033)
Late/Upper Pliocene3.6 - 2.588Japan (Aomori) M. sp. (234748)
Piacenzian3.6 - 2.588Japan M. sp. (97077)
Middle Pleistocene0.774 - 0.129Australia (Western Australia) M. incrassata (63354)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) M. incrassata (63355) M. turgida (63317 63320 63321 63351 63356)