Siliqua lucida

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
- transparent razor clamPBDB
- Sits inside
- SiliquaPBDB
- Diet
- suspension feederPBDB, for Pharidae
- Life habit
- infaunalPBDB, for Pharidae
- Motility
- facultatively mobilePBDB, for Pharidae
- Vision
- blindPBDB, for Bivalvia
Time the record covers
At least 5.2 million years on record.
The record covers at least 5.333 Mya to 129 ka. No occurrence read is dated outside 11.63 Mya to 11.7 ka.
25 occurrences of Siliqua lucida 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
25 occurrences- Miocene8%
- Pliocene28%
- Pleistocene64%
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
8 formations
- Palos Verdes Sand Formation6
- Jacalitos Formation4
- Palos Verdes Formation2
- Etchegoin Formation2
- San Pedro Sand Formation2
- San Diego Formation1
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The named rock units Siliqua lucida has been recovered from, largest first. Drawn where the rock is now, not where it formed. 6 occurrences have no formation on record, which is common for older literature.
Siliqua lucida and its relatives
PleistoceneWhere Siliqua lucida and its relatives were recorded in the Pleistocene.
Found in the same rock
1,064 taxa- Cryptomya californica18 sites
- Callianax biplicata17 sites
- Leptopecten latiauratus16 sites
- Saccella taphria16 sites
- Tresus nuttallii16 sites
- Acteocina culcitella15 sites
- Caryocorbula luteola15 sites
- Dentalium neohexagonum15 sites
- Donax (Donax) gouldii15 sites
- Lucinisca nuttalli15 sites
- Tivela (Pachydesma) stultorum15 sites
- Caesia perpinguis14 sites
- Californiconus californicus14 sites
- Rexithaerus secta14 sites
- Solen sicarius14 sites
- Caesia fossatus13 sites
- Calliostoma canaliculatum13 sites
- Dallocardia quadragenarium13 sites
- Leukoma staminea13 sites
- Turritella cooperi13 sites
- Anomia peruviana12 sites
- Caecum crebricinctum12 sites
- Callianax pedroana12 sites
- Glycymeris septentrionalis12 sites
The Paleobiology Database records 25 sites for Siliqua lucida, 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
13 references- The Etchegoin Pliocene of middle California6
- The Paleontology and Stratigraphy of the Marine Pliocene and Pleistocene of San Pedro, California4
- Late Pleistocene invertebrates of the Newport Bay area, California3
- Pleistocene molluscan notes, II. faunule from Huntington Beach Mesa, Calif.2
- The paleontology of the Pleistocene molluscan fauna of the Newport Bay area, California2
- The upper Pliocene San Diego Formation and the occurrence of Carcharodon megalodon at La Joya, Tijuana, Baja California, Mexico1
- The Geology and Paleontology of the Marine Pliocene of San Diego, California (Paleontology: Pelecypoda)1
- Pleistocene mollusks from Tecolote Creek, San Diego, California1
- Upper Pleistocene Mollusca from Potrero Canyon, Pacific Palisades, California1
- Report on Pleistocene Molluscan Fauna at Capistrano Beach, Orange County, Calif1
- An Upper Pleistocene fauna from the Baldwin Hills, Los Angeles County, California1
- Geology of the eastern part of the Santa Monica Mountains, Los Angeles County, California1
Each of the 25 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. 1 further reference is 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 Siliqua lucida
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Siliqua lucida 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 itSiliqua through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Conrad 1837)