Madracis johnwellsi
No picture of Madracis johnwellsi was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Madracis johnwellsi, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- MadracisPBDB
- Diet
- photosymbiotic, suspension feederPBDB, for Madracis
- Life habit
- colonial, clonalPBDB, for Madracis
- Motility
- stationary, attachedPBDB, for Scleractinia
- Vision
- blindPBDB, for Anthozoa
- Environment
- marinePBDB, for Astrocoeniidae
Time the record covers
At least 28 million years on record.
The record covers at least 66 Mya to 37.71 Mya. No occurrence read is dated outside 83.6 Mya to 33.9 Mya.
3 occurrences of Madracis johnwellsi on record. 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 occurrences- Late Cretaceous67%
- Eocene33%
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
2 formations
- Zongshan Formation1
- Ixtaclum Shale Formation · La Esperanza Group1
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The named rock units Madracis johnwellsi has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Found in the same rock
16 taxa- Acropora1 site
- Antillia clarki1 site
- Antilloseris cantabrigiensis1 site
- Astreopora (Astreopora) spinulosum1 site
- Cladocora bosquensis1 site
- Cunnolites scutellum1 site
- Cyathoceras1 site
- Dictuophyllia conferticostata1 site
- Lepidocyclina1 site
- Leptomussa1 site
- Nummulites1 site
- Stylosmilia kangpaensis1 site
- Trochocyathus mexicanum1 site
- Trochocyathus mitratus1 site
- Trochoseris aperta1 site
- Trochosmilia faujasi1 site
The Paleobiology Database records 2 sites for Madracis johnwellsi, and this reads all of them. The number is how many of those sites it was catalogued from too.
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
3 references- Corals of the K/T-boundary: scleractinian corals of the suborders Astrocoeniina, Faviina, Rhipidogyrina and Amphiastraeina1
- pers. comm.1
- Cenozoic Reef Biofacies1
Each of the 3 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. 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 content0
No picture of Madracis johnwellsi was found. Wikipedia, Wikidata and iDigBio were searched and had none.
Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Madracis johnwellsi, or no answer at all. This entry cannot say which.
No 3D scan of Madracis johnwellsi was found in MorphoSource and Sketchfab.
Smithsonian Open Access 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 itMadracis through timeThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Frost and Langenheim 1974