Polycyathus
Polycyathus is a genus of small corals in the order Scleractinia, the stony corals. Most species occur in the Pacific Ocean.

Fernando Herranz Martín · CC BY-SA 2.5 es · 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
- CaryophylliidaePBDB
- Diet
- microcarnivorePBDB, for Caryophylliidae
- Life habit
- low-level epifaunal, solitary, clonalPBDB, for Caryophylliidae
- Motility
- stationary, attachedPBDB, for Caryophylliidae
- Vision
- blindPBDB, for Anthozoa
- Environment
- marinePBDB, for Scleractinia
Time the record covers
At most 2.2 million years on record.
Every occurrence read is dated to somewhere between 15.98 Mya and 13.82 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
3 occurrences of Polycyathus on record, most of them in the Miocene. 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- Miocene100%
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.
Polycyathus and its relatives
MioceneWhere Polycyathus and its relatives were recorded in the Miocene.
Found in the same rock
15 taxa- Ceratotrochus2 sites
- Peponocyathus duncani2 sites
- Stylocora2 sites
- Balanophyllia praelonga1 site
- Caryophyllia1 site
- Dendrophyllia1 site
- Dendrophyllia taurinensis1 site
- Flabellum roissyanum1 site
- Paracyathus1 site
- Porites leptoclada1 site
- Porites vindobonarum prima1 site
- Siderastrea italica1 site
- Tarbellastraea reussiana1 site
- Trochocyathus1 site
- Trochocyathus microphyllus1 site
The Paleobiology Database records 3 sites for Polycyathus, 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
1 referenceEach 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. Each entry links to the Paleobiology Database's own record for the work.
Media and terms
Media content2
Picture of Polycyathus
- Source
- Wikipedia/Commons
- Credit
- Fernando Herranz Martín
- Licence
- CC BY-SA 2.5 es
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Credit
- peppins111
- Licence
- CC Attribution
- Commercial use
- cannot be read from the licence given — check the record
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
- Source
- Wikipedia, “Polycyathus”
- 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 itCaryophylliidae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Duncan 1876