Ginkgo
Ginkgo is a genus of non-flowering seed plants, assigned to the gymnosperms. The scientific name is also used as the English common name. The order to which the genus belongs, Ginkgoales, first appeared in the Permian, 270 million years ago, and Ginkgo is now the only living genus within the order. The rate of evolution within the genus has been slow, and almost all its species had become extinct by the end of the Pliocene. The sole surviving species, Ginkgo biloba, is found in the wild only in China, but is cultivated around the world. The relationships between ginkgos and other groups of plants are not fully resolved.

EecherplazGinkgo06.jpg : Cayambe derivative work: Ginkgotree ( talk ) · CC BY-SA 3.0 · via Wikipedia/Commons. 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- Also called
- ginkgoPBDB
- Sits inside
- GinkgoaceaePBDB
- Diet
- "photoautotroph"PBDB, for Streptophyta
Time the record covers
At least 248 million years on record.
The record covers at least 250.8 Mya to 2.58 Mya. No occurrence read is dated outside 251.902 Mya to 774 ka.
616 occurrences of Ginkgo on record, most of them in the Middle Jurassic. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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
616 occurrences- Early Triassicunder 1%
- Middle Triassicunder 1%
- Late Triassic4%
- Early Jurassic24%
- Middle Jurassic34%
- Late Jurassic16%
- Early Cretaceous9%
- Late Cretaceous4%
- Paleocene3%
- Eocene3%
- Oligoceneunder 1%
- Mioceneunder 1%
- Pleistoceneunder 1%
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
214 formations
- Corwin Formation16
- Fort Union Formation14
- Ozhogino Suite Formation9
- Erbek Suite Formation9
- Krivorechenskaya Formation9
- Hell Creek Formation9
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The named rock units Ginkgo has been recovered from, largest first. Drawn where the rock is now, not where it formed. 190 further formations hold fewer occurrences each and are not listed. 93 occurrences have no formation on record, which is common for older literature.
Ginkgo and its relatives
Middle JurassicWhere Ginkgo and its relatives were recorded in the Middle Jurassic.
Found in the same rock
685 taxa- Cladophlebis177 sites
- Czekanowskia148 sites
- Coniopteris145 sites
- Podozamites142 sites
- Equisetites134 sites
- Pityophyllum133 sites
- Phoenicopsis121 sites
- Nilsonia107 sites
- Sphenobaiera91 sites
- Baiera72 sites
- Carpolithus70 sites
- Neocalamites62 sites
- Pterophyllum61 sites
- Taeniopteris53 sites
- Anomozamites52 sites
- Elatides50 sites
- Elatocladus49 sites
- Sphenopteris49 sites
- Raphaelia48 sites
- Todites47 sites
- Schizolepis40 sites
- Clathropteris38 sites
- Phlebopteris38 sites
- Hausmannia36 sites
The Paleobiology Database records 379 sites for Ginkgo, and this reads 240 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
154 references- Stratigraphy and flora of the Jurassic deposits of the Western and Southern Siberia and Tuva29
- Materials on stratigraphy and correlation of the Jurassic coal-bearing deposits of Kuznetsk, Ulugkhem, and Irkutsk basins26
- About the Middle Asia Jurassic flora24
- The Stratigraphic Tables of Heilongjiang22
- The Albian-Cenomanian flora of the Kukpowruk River, western North Slope, Alaska: stratigraphy, palaeofloristics, and plant communities20
- The Yorkshire Jurassic Flora V. Coniferales16
- Genkina, 196615
- Stratigraphy of the Jurassic coal deposits of Central Tadzhikistan13
- Plant and mammal diversity in the Paleocene to Early Eocene of the Bighorn Basin12
- About subdivisions of the Lower Jurassic of Tadzhikistan based on paleobotanic data11
- Paleocene flora of the Rocky Mountains and Great Plains11
- The Stratigraphic Tables of Jilin10
Each of the 616 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. 142 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 content2
Picture of Ginkgo
- Source
- Wikipedia/Commons
- Credit
- EecherplazGinkgo06.jpg : Cayambe derivative work: Ginkgotree ( talk )
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Credit
- Cleveland Museum of Art
- Licence
- CC0 Public Domain
- Commercial use
- the licence allows it
The description on this site
- Source
- Wikipedia, “Ginkgo”
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itGinkgoaceae through timeFormations of the Middle JurassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Linnaeus 1771