Cruciplacolithus
Ian Probert · CC0 · via GBIF. 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
- PrymnesiophycidaePBDB
- Diet
- "photoautotroph"PBDB, for Haptophyta
- Life habit
- planktonic, depth=surfacePBDB, for Haptophyta
- Motility
- passively mobilePBDB, for Haptophyta
- Environment
- oceanic,oligotrophic,marine,brackishPBDB, for Haptophyta
Time the record covers
At least 69 million years on record.
The record covers at least 72.2 Mya to 2.58 Mya. No occurrence read is dated outside 143.1 Mya to 774 ka.
198 occurrences of Cruciplacolithus on record, most of them in the Paleocene. 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
198 occurrences- Early Cretaceousunder 1%
- Late Cretaceous6%
- Paleocene52%
- Eocene18%
- Oligocene8%
- Miocene16%
- Plioceneunder 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
10 formations
- Campo Bola Formation10
- Butano Formation6
- Pedro Luro Formation6
- Paleocene subsurface Formation3
- Pedro Luro Formation3
- Salamanca Formation1
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The named rock units Cruciplacolithus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 165 occurrences have no formation on record, which is common for older literature.
Cruciplacolithus and its relatives
PaleoceneWhere Cruciplacolithus and its relatives were recorded in the Paleocene.
Found in the same rock
535 taxa- Coccolithus pelagicus90 sites
- Discoaster62 sites
- Chiasmolithus56 sites
- Sphenolithus56 sites
- Sphenolithus moriformis46 sites
- Prinsius43 sites
- Toweius42 sites
- Zeugrhabdotus sigmoides38 sites
- Clausicoccus35 sites
- Dinoflagellata35 sites
- Coccolithus33 sites
- Fasciculithus33 sites
- Markalius inversus30 sites
- Pontosphaera30 sites
- Ericsonia28 sites
- Reticulofenestra28 sites
- Ellipsolithus26 sites
- Thoracosphaera23 sites
- Cyclicargolithus floridanus22 sites
- Neochiastozygus22 sites
- Zygrhablithus bijugatus21 sites
- Sphenolithus radians20 sites
- Blackites19 sites
- Campylosphaera16 sites
The Paleobiology Database records 131 sites for Cruciplacolithus, 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
25 references- Site U145732
- Site U133327
- Site U145620
- Site U151416
- Site U140615
- Site U140314
- Site U140710
- Site U14809
- Calcareous nannofossil events in the late cretaceous at Pedro Luro borehole, Colorado basin, Argentina7
- Late Maastrichtian to Danian organic-walled dinoflagellate cysts and calcareous nannofossils from eastern Austral Basin, Patagonia, Argentina6
- Site U14096
- Site U14106
Each of the 198 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. 13 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 Cruciplacolithus
- Source
- GBIF
- Credit
- Ian Probert
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Cruciplacolithus 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 itPrymnesiophycidae through timeFormations of the PaleoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Hay and Mohler 1927