Cycadophyta

Cycads —constituting the division Cycadophyta—are seed plants with a stout, woody cylindrical trunk with a crown of large, hard, stiff, evergreen and usually pinnate (feather-shaped) leaves. The species are dioecious, that is, individual plants of a species are either male or female. Cycads vary in size from having trunks only a few centimeters to several meters tall. They typically grow slowly and have long lifespans. They superficially resemble palms or ferns, but are not closely related to either group. Cycads are gymnosperms. Cycads have specialized pollinators, usually a specific beetle, and more rarely a thrips or a moth.

Cycadophyta

Uncredited · 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
Sits inside
EmbryophytaPBDB
Diet
"photoautotroph"PBDB, for Streptophyta

Time the record covers

At least 426 million years on record.

The record covers at least 426.7 Mya to 11.7 ka. No occurrence read is dated outside 538.8 Mya to 0 Mya.

Cambrian — about 0 of 3962 occurrencesCambrianOrdovician — about 0 of 3962 occurrencesSilurian — about 2 of 3962 occurrencesDevonian — about 3 of 3962 occurrencesDevonianCarboniferous — about 148 of 3962 occurrencesCarboniferousPermian — about 664 of 3962 occurrencesPermianEarly Triassic — about 65 of 3962 occurrencesMiddle Triassic — about 139 of 3962 occurrencesLate Triassic — about 738 of 3962 occurrencesEarly Jurassic — about 390 of 3962 occurrencesMiddle Jurassic — about 708 of 3962 occurrencesLate Jurassic — about 422 of 3962 occurrencesEarly Cretaceous — about 333 of 3962 occurrencesLate Cretaceous — about 215 of 3962 occurrencesPaleocene — about 70 of 3962 occurrencesEocene — about 49 of 3962 occurrencesOligocene — about 8 of 3962 occurrencesMiocene — about 5 of 3962 occurrencesPliocene — about 1 of 3962 occurrencesPleistocene — about 0 of 3962 occurrences550–531 Mya — about 0.0 occurrences531–513 Mya — about 0.1 occurrences513–495 Mya — about 0.1 occurrences495–476 Mya — about 0.1 occurrences476–458 Mya — about 0.1 occurrences458–440 Mya — about 0.2 occurrences440–421 Mya — about 2 occurrences421–403 Mya — about 0.1 occurrences403–385 Mya — about 0.1 occurrences385–366 Mya — about 2 occurrences366–348 Mya — about 22 occurrences348–330 Mya — about 34 occurrences330–311 Mya — about 46 occurrences311–293 Mya — about 87 occurrences293–275 Mya — about 176 occurrences275–256 Mya — about 303 occurrences256–238 Mya — about 328 occurrences238–220 Mya — about 407 occurrences220–202 Mya — about 348 occurrences202–183 Mya — about 268 occurrences183–165 Mya — about 743 occurrences165–147 Mya — about 426 occurrences147–128 Mya — about 143 occurrences128–110 Mya — about 199 occurrences110–92 Mya — about 155 occurrences92–73 Mya — about 32 occurrences73–55 Mya — about 178 occurrences55–37 Mya — about 39 occurrences37–18 Mya — about 16 occurrences18–0 Mya — about 6 occurrences426.7 Mya11.7 ka550 Mya0 Mya

3,962 occurrences of Cycadophyta on record, most of them in the Late Triassic. 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

3,962 occurrences

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

684 formations

Saltwick — 54.40°N, 1.00°WSaltwick — 54.50°N, 0.75°WSaltwick — 54.30°N, 0.40°WSaltwick — 54.50°N, 1.00°WSaltwick — 54.37°N, 1.25°WSaltwick — 54.33°N, 0.50°WSanta Clara — 28.60°N, 109.70°WSanta Clara — 28.57°N, 110.21°WSanta Clara — 28.51°N, 110.19°WSanta Clara — 28.56°N, 109.34°WSanta Clara — 28.55°N, 109.35°WSanta Clara — 28.50°N, 109.50°WSanta Clara — 28.57°N, 109.21°WSanta Clara — 28.56°N, 110.13°WSanta Clara — 28.58°N, 109.63°WSanta Clara — 28.50°N, 110.30°WRajmahal — 25.03°N, 87.59°ERajmahal — 25.08°N, 87.74°ERajmahal — 24.52°N, 87.57°ERajmahal — 25.24°N, 87.71°ERajmahal — 25.14°N, 87.50°ERajmahal — 25.21°N, 87.50°ERajmahal — 24.65°N, 87.79°ERajmahal — 20.52°N, 85.63°ERajmahal — 24.95°N, 87.28°EFort Union — 44.00°N, 109.00°WFort Union — 41.51°N, 108.65°WFort Union — 43.50°N, 104.90°WFort Union — 44.00°N, 106.62°WFort Union — 44.80°N, 106.95°WFort Union — 46.35°N, 103.87°WFort Union — 46.02°N, 103.76°WFort Union — 46.48°N, 105.67°WFort Union — 44.71°N, 106.17°WFort Union — 44.83°N, 106.09°WFort Union — 44.88°N, 106.06°WFort Union — 45.59°N, 105.68°WFort Union — 45.53°N, 105.64°WMolteno — 29.50°S, 29.50°EMolteno — 30.50°S, 29.00°EMolteno — 28.57°S, 29.05°EMolteno — 31.10°S, 26.50°EMolteno — 31.50°S, 28.00°EMolteno — 30.80°S, 26.88°EMolteno — 30.53°S, 26.90°EMolteno — 30.00°S, 27.00°EMolteno — 31.47°S, 26.43°EMolteno — 30.90°S, 26.72°EMolteno — 31.50°S, 27.92°EMolteno — 31.48°S, 26.47°EMolteno — 31.47°S, 26.83°EMolteno — 31.57°S, 26.22°EMolteno — 31.17°S, 28.43°EMolteno — 30.68°S, 28.52°EMolteno — 31.05°S, 26.80°EMolteno — 31.57°S, 26.27°EMolteno — 31.53°S, 26.23°EMolteno — 30.48°S, 27.10°EMolteno — 30.68°S, 26.95°EPottsville — 33.82°N, 87.42°WPottsville — 33.00°N, 87.00°WPottsville — 33.81°N, 87.17°WShanxi — 39.90°N, 111.80°EShanxi — 34.30°N, 116.90°EShanxi — 37.80°N, 112.20°EShanxi — 39.60°N, 111.00°EShanxi — 40.00°N, 116.20°EShanxi — 38.00°N, 114.00°EShanxi — 41.80°N, 126.50°EShanxi — 35.20°N, 109.90°EShanxi — 34.20°N, 113.50°EShanxi — 34.20°N, 117.20°EShanxi — 38.80°N, 105.60°EShanxi — 41.20°N, 123.80°EShanxi — 39.40°N, 121.80°EShanxi — 38.80°N, 99.60°EShanxi — 38.50°N, 102.20°EShanxi — 35.70°N, 106.60°EShanxi — 38.20°N, 106.40°EShanxi — 36.80°N, 118.10°EShanxi — 39.40°N, 111.00°EShanxi — 35.10°N, 117.20°EHell Creek — 46.35°N, 103.87°WHell Creek — 46.15°N, 103.82°WHell Creek — 46.14°N, 103.86°WHell Creek — 46.02°N, 103.76°WRiachuelo — 10.65°S, 37.04°WBurgersdorp — 30.73°S, 26.78°EBurgersdorp — 30.68°S, 26.72°EBurgersdorp — 31.00°S, 27.00°EBurgersdorp — 30.70°S, 26.65°EBurgersdorp — 31.00°S, 26.00°EBurgersdorp — 31.67°S, 27.00°EBurgersdorp — 31.67°S, 27.33°EBurgersdorp — 31.00°S, 26.33°ESteierdorf — 45.08°N, 21.85°EWenbinshan — 25.50°N, 117.60°EBhuj — 23.60°N, 69.00°EBhuj — 23.28°N, 69.36°EBhuj — 23.68°N, 68.87°EBhuj — 23.48°N, 69.27°EBhuj — 23.32°N, 69.77°EBhuj — 23.18°N, 69.38°EBhuj — 23.31°N, 69.32°EBhuj — 23.20°N, 69.56°EBhuj — 23.43°N, 69.13°EBhuj — 23.21°N, 70.08°ECape Stewart — 70.50°N, 22.60°WCloughton — 54.30°N, 0.40°WCloughton — 54.17°N, 0.25°WAnyuan — 27.60°N, 113.80°EAnyuan — 28.50°N, 118.00°EAnyuan — 29.80°N, 118.50°EDzharsu Suite — 44.20°N, 52.50°EDzharsu Suite — 44.40°N, 51.30°EDzharsu Suite — 43.10°N, 54.90°EDzharsu Suite — 43.60°N, 53.60°EDzharsu Suite — 44.20°N, 51.90°ELower Dzhizhikrut Suite — 39.20°N, 68.50°EBurg El-Arab — 30.99°N, 27.77°EMuribeca — 10.65°S, 37.04°WBernburg — 52.12°N, 10.67°EBernburg — 51.95°N, 10.22°ELongtan — 30.80°N, 120.20°ELongtan — 30.80°N, 118.70°ELongtan — 30.80°N, 119.40°ELongtan — 30.20°N, 114.90°ELongtan — 27.00°N, 113.30°ELongtan — 24.70°N, 110.60°ELongtan — 31.30°N, 120.60°ELongtan — 34.00°N, 119.80°ELongtan — 26.50°N, 105.58°EUpper Gurud Suite — 38.60°N, 67.40°EKaradiirmen' Suite — 44.40°N, 51.30°EKaradiirmen' Suite — 44.10°N, 52.20°EKaradiirmen' Suite — 43.10°N, 54.90°EKaradiirmen' Suite — 43.60°N, 53.60°E

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The named rock units Cycadophyta has been recovered from, largest first. Drawn where the rock is now, not where it formed. 660 further formations hold fewer occurrences each and are not listed. 1,228 occurrences have no formation on record, which is common for older literature.

Cycadophyta and its relatives

Late Triassic

Where Cycadophyta and its relatives were recorded in the Late Triassic.

Found in the same rock

1,126 taxa

The Paleobiology Database records at least 946 sites for Cycadophyta, 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

600 references

Each of the 3,962 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. 588 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 Cycadophyta

Credit
nobody named on the record
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Cycadophyta was found in Sketchfab.

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

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 itEmbryophyta through timeFormations of the Late TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Bessey 1907