Leymeriaster
No picture of Leymeriaster was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Leymeriaster, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- SpatangoidaPBDB
- Diet
- deposit feeder, detritivorePBDB, for Spatangoida
- Life habit
- shallow infaunalPBDB, for Spatangoida
- Motility
- slow-movingPBDB, for Spatangoida
- Vision
- limitedPBDB, for Echinoidea
- Environment
- marinePBDB, for Spatangoida
Time the record covers
At most 39 million years on record.
Every occurrence read is dated to somewhere between 100.5 Mya and 61.66 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
10 occurrences of Leymeriaster on record, most of them in the Late Cretaceous. 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
10 occurrencesThese 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
4 formations
Loading coastlines…
The named rock units Leymeriaster has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Leymeriaster and its relatives
Late CretaceousWhere Leymeriaster and its relatives were recorded in the Late Cretaceous.
Found in the same rock
81 taxa- Hemipneustes striatoradiatus7 sites
- Oolopygus7 sites
- Chomataster acules6 sites
- Gauthieria pseudoradiata6 sites
- Goniasteridae6 sites
- Hemiaster6 sites
- Trochalosoma6 sites
- Astropectinidae5 sites
- Cardiaster granulosus5 sites
- Dunnicrinus aequalis5 sites
- Hemiaster (Bolbaster) prunella5 sites
- Nucleopygus5 sites
- Ophiomusium granulosum5 sites
- Trichaster ornatus5 sites
- Applinocrinus cretaceus4 sites
- Catopygus4 sites
- Felderophiura vanderhami4 sites
- Jaekelometra concava4 sites
- Lophidiaster pygmaeus4 sites
- Nucleopygus scrobiculatus4 sites
- Ophiura serrata4 sites
- Placometra laticirra4 sites
- Procassidulus lapiscancri4 sites
- Salenidia maestrichtensis4 sites
The Paleobiology Database records 8 sites for Leymeriaster, 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
1 referenceEach of the 10 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 content0
No picture of Leymeriaster was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Leymeriaster, or no answer at all. This entry cannot say which.
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itSpatangoida through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Lambert and Thiéry 1924