Actinacis
via iDigBio · CC0 · 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
- ActinacididaePBDB
- Diet
- photosymbiotic, suspension feederPBDB, for Actinacididae
- Life habit
- epifaunal, colonial, clonalPBDB, for Actinacididae
- Motility
- stationary, attachedPBDB, for Actinacididae
- Vision
- blindPBDB, for Anthozoa
- Environment
- marinePBDB, for Scleractinia
Time the record covers
At least 94 million years on record.
The record covers at least 121.4 Mya to 27.3 Mya. No occurrence read is dated outside 143.1 Mya to 23.04 Mya.
253 occurrences of Actinacis on record, most of them in the Oligocene. 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
253 occurrences- Early Cretaceous3%
- Late Cretaceous25%
- Paleocene19%
- Eocene26%
- Oligocene27%
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
70 formations
- Salcedo Formation14
- Guinea Corn Formation12
- Castro Limestone Formation8
- Castelgomberto Formation6
- Uhrov Formation6
- Simsima Formation5
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The named rock units Actinacis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 46 further formations hold fewer occurrences each and are not listed. 104 occurrences have no formation on record, which is common for older literature.
Actinacis and its relatives
OligoceneWhere Actinacis and its relatives were recorded in the Oligocene.
Found in the same rock
1,117 taxa- Porites30 sites
- Goniopora27 sites
- Astreopora24 sites
- Antiguastrea23 sites
- Pavona20 sites
- Stylophora20 sites
- Polystrata alba19 sites
- Montastraea18 sites
- Elianella elegans16 sites
- Sporolithon16 sites
- Astreopora tecta15 sites
- Colpophyllia15 sites
- Favites13 sites
- Mesophyllum13 sites
- Alveopora12 sites
- Alveopora rudis12 sites
- Astreopora meneghiniana12 sites
- Astrocoenia lobatorotundata12 sites
- Corallinaceae12 sites
- Hydnophora12 sites
- Lithothamnion12 sites
- Polytremacis12 sites
- Porites nummulitica12 sites
- Astrocoenia11 sites
The Paleobiology Database records 117 sites for Actinacis, 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
102 references- Contribution to the knowledge of the Palaeogene reef-complexes of the Myjava-Hricov-Haligovka Zone (West Carpathians)21
- Systematische und paläoökologische Untersuchungen an oligozänen Korallen der Umgebung von San Luca (Provinz Vicenza, Norditalien) [Systematic and paleoecologic studies of Oligocene corals from San Luca area (Vicenza, northern Italy)]15
- A Bükkhegyseg Eocen Koralljai [Eocene corals from the Bükk Mountains]10
- Corals of the KT-boundary: Scleractinian corals of the suborders Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina9
- Palaeocene reef complex of the Western Carpathians8
- Palaeoecology of corals and rudists in mixed volcaniclastic carbonate small-scale rhythms (Upper Cretaceous, Jamaica)7
- pers. comm.6
- Late Campanian-Maastrichtian corals from the United Arab Emirates-Oman border region6
- Geology and copper minaralisation of the Saindak Qadrangle, Chagai District, West Pakistan6
- A coral hotspot from a hot past: The EECO and post-EECO rich reef coral fauna from Friuli (Eocene, NE Italy)5
- High coral diversity is coupled with reef-building capacity during the Late Oligocene warming event (Castro Limestone, Salento Peninsula, S Italy)5
- Coralgal buildups associated with the Bolca Fossil-Lagerstatten: new evidence from the Ypresion of Monte Postale (NE Italy)5
Each of the 253 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. 90 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 Actinacis
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Actinacis 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 itActinacididae through timeFormations of the OligoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. d'Orbigny 1849