Leptarbacia argutus
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
- LeptarbaciaPBDB
- Diet
- grazer, deposit feederPBDB, for Echinoidea
- Life habit
- epifaunalPBDB, for Echinoidea
- Motility
- actively mobilePBDB, for Echinoidea
- Vision
- limitedPBDB, for Echinoidea
- Environment
- marinePBDB, for Echinodermata
Time the record covers
At most 13 million years on record.
Every occurrence read is dated to somewhere between 106.3 Mya and 93.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
3 occurrences of Leptarbacia argutus 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
3 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
2 formations
- Denison Formation · Washita Group1
- Del Rio Clay Formation1
Loading coastlines…
The named rock units Leptarbacia argutus 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.
Leptarbacia argutus and its relatives
Late CretaceousWhere Leptarbacia argutus and its relatives were recorded in the Late Cretaceous.
Found in the same rock
46 taxa- Lima wacoensis2 sites
- Pecten2 sites
- Camptonectes virgatus1 site
- Cinulia1 site
- Cymatoceras1 site
- Epiaster whitei1 site
- Exogyra1 site
- Exogyra americana1 site
- Graysonites wacoense1 site
- Gryphaea1 site
- Hemiaster calvini1 site
- Hemiaster elegans1 site
- Holaster simplex1 site
- Lamna1 site
- Lima1 site
- Macraster1 site
- Mariella (Plesioturrilites) brazoensis1 site
- Metengonoceras bravoense1 site
- Neithea wrighti1 site
- Nerinea1 site
- Neritina1 site
- Ophiura texana1 site
- Ostrea1 site
- Ostrea (Alectryonia)1 site
The Paleobiology Database records 3 sites for Leptarbacia argutus, 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
3 references- The Cretaceous and Tertiary of southern Texas and northern Mexico1
- The Mesozoic and Cenozoic Echinodermata of the United States1
- The Mesozoic Echinodermata of the United States1
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 content1
Picture of Leptarbacia argutus
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Leptarbacia argutus was found in Sketchfab.
Smithsonian Open Access and MorphoSource were 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 itLeptarbacia through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Clark and Twitchell 1915