Megacardita
via iDigBio · CC BY · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Sits inside
- VenericardiinaePBDB
- Diet
- suspension feederPBDB, for Carditidae
- Life habit
- infaunalPBDB, for Carditidae
- Motility
- facultatively mobilePBDB, for Carditidae
- Vision
- blindPBDB, for Crassatelloidea
- Environment
- marinePBDB, for Crassatelloidea
Time the record covers
At least 47 million years on record.
The record covers at least 48.07 Mya to 129 ka. No occurrence read is dated outside 56 Mya to 11.7 ka.
39 occurrences of Megacardita on record, most of them in the Miocene. The Paleobiology Database records this as a living group. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
39 occurrences- Eocene10%
- Oligocene21%
- Miocene41%
- Pliocene10%
- Pleistocene18%
These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
24 formations
- Pakhachinskaya Formation2
- Naseby Greensand Formation · Stranraer Group2
- Gastellovskaya Formation · Kholmsk Group2
- Machigarskaya Formation2
- Tajima Formation2
- Okhonchevayamskaya Formation1
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The named rock units Megacardita has been recovered from, largest first. Drawn where the rock is now, not where it formed. 10 occurrences have no formation on record, which is common for older literature.
Megacardita and its relatives
MioceneWhere Megacardita and its relatives were recorded in the Miocene.
Found in the same rock
649 taxa- Diplodonta8 sites
- Cyclocardia7 sites
- Dosinia7 sites
- Chlamys6 sites
- Laevicardium6 sites
- Cardita5 sites
- Fragum5 sites
- Glycymeris (Glycymeris)5 sites
- Mactromeris polynyma5 sites
- Rhinoclavis fasciata5 sites
- Yoldia (Yoldia)5 sites
- Acrosterigma4 sites
- Ainicardita4 sites
- Bulla4 sites
- Circe lenticularis4 sites
- Flabellipecten4 sites
- Fragum unedo4 sites
- Limopsis4 sites
- Macoma4 sites
- Megayoldia (Portlandella) watasei4 sites
- Paphia (Callistotapes)4 sites
- Saccella4 sites
- Tectus pyramis4 sites
- Thracia4 sites
The Paleobiology Database records 24 sites for Megacardita, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
19 references- Neogene and Paleogene Molluscan (Bivalvia) Cenozones of Sakhalin and Kurile Islands8
- Neogene and Paleogene Molluscan (Bivalvia) Cenozones of the Russian Northeast.6
- Cenozoic Molluscs and Echinoids of Barrow Island, Western Australia3
- Pliocene-Pleistocene coastal events and history along the western margin of Australia3
- Middle Miocene bivalve faunas from the carbonate deposits of Poland (Central Paratethys)2
- Cenozoic Mollusca of New Zealand2
- Raschleneniye oligotsen-nizhnemiotsenovykh tolshch vostochnoy Kamchatki (zaliv Korfa). Subdivision of Oligocene-lower Miocene layers of eastern Kamchatka, Gulf of Korfa2
- Pliocene marine fauna from Tane-ga-shima, South Kyushu, Japan2
- Molluscan fossils from the Kitakanegasawa Formation in Aomori Prefecture, Japan, with remarks on the northern limit of the Tsushima Warm Current during the late Pliocene1
- Ecospace variability along a carbonate platform at the northern boundary of the Miocene reef belt (Upper Langhian, Austria)1
- Devínska Kobyla- a window into the Middle Miocene shallow-water marine environments of the Central Paratethys (Vienna Basin, Slovakia)1
- Mollusca: Shoal River Formation (Middle Miocene1
Each of the 39 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 7 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1
Picture of Megacardita
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC BY
- Commercial use
- the licence allows it
No 3D scan of Megacardita was found in Smithsonian Open Access and Sketchfab.
MorphoSource was not reached for this taxon, so this list is what the others held rather than everything there is.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itVenericardiinae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Sacco 1899)