Lyonsia californica

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- Also called
- California lyonsiaPBDB
- Sits inside
- LyonsiaPBDB
- Diet
- suspension feederPBDB, for Lyonsiidae
- Life habit
- deep infaunalPBDB, for Lyonsia
- Motility
- facultatively mobilePBDB, for Lyonsiidae
- Vision
- blindPBDB, for Bivalvia
Time the record covers
At least 2.4 million years on record.
The record covers at least 2.58 Mya to 129 ka. No occurrence read is dated outside 5.333 Mya to 11.7 ka.
11 occurrences of Lyonsia californica on record, most of them in the Pleistocene. The Paleobiology Database records this as a living group. 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
11 occurrences- Pliocene18%
- Pleistocene82%
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
5 formations
- Palos Verdes Sand Formation5
- San Pedro Sand Formation3
- Wildcat Formation1
- Fernando Formation1
- Timms Point Silt Formation1
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The named rock units Lyonsia californica has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Lyonsia californica and its relatives
PleistoceneWhere Lyonsia californica and its relatives were recorded in the Pleistocene.
Found in the same rock
589 taxa- Caesia perpinguis9 sites
- Leukoma staminea9 sites
- Caesia fossatus8 sites
- Callianax biplicata8 sites
- Clinocardium (Clinocardium) nuttallii8 sites
- Cryptomya californica8 sites
- Cumingia californica8 sites
- Fusitriton oregonensis8 sites
- Glossaulax reclusiana8 sites
- Hima cooperi8 sites
- Leptopecten latiauratus8 sites
- Lucinoma annulata8 sites
- Macoma nasuta8 sites
- Mitrella gausapata8 sites
- Paciocinebrina interfossa8 sites
- Paciocinebrina lurida8 sites
- Saccella taphria8 sites
- Solen sicarius8 sites
- Turritella cooperi8 sites
- Acteocina culcitella7 sites
- Californiconus californicus7 sites
- Callianax pedroana7 sites
- Calliostoma canaliculatum7 sites
- Dendraster excentricus7 sites
The Paleobiology Database records 11 sites for Lyonsia californica, 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
5 references- The Paleontology and Stratigraphy of the Marine Pliocene and Pleistocene of San Pedro, California6
- The paleontology of the Pleistocene molluscan fauna of the Newport Bay area, California2
- Catalogue of the Marine Pliocene and Pleistocene Mollusca of California1
- The fossils of the Lower San Pedro fauna of the Nob Hill cut, San Pedro, California1
- Fauna of the Fernando of Los Angeles1
Each of the 11 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 Lyonsia californica
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Lyonsia californica 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 itLyonsia through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Conrad 1837