Pecten (Chlamys) subalpinus

Not Pecten (Chlamys) subalpinus. This is Pecten subalpinus Parona, 1890, a relative — both are Pectinidae.
via GBIF · 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
- ChlamysPBDB
- Diet
- suspension feederPBDB, for Chlamys
- Life habit
- epifaunalPBDB, for Chlamys
- Motility
- stationary, attachedPBDB, for Chlamys
- Vision
- limitedPBDB, for Pectinidae
- Environment
- marinePBDB, for Pectinida
Time the record covers
At least 86 million years on record.
The record covers at least 192.9 Mya to 106.3 Mya. No occurrence read is dated outside 199.5 Mya to 100.5 Mya.
4 occurrences of Pecten (Chlamys) subalpinus on record, most of them in the Early 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
4 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
3 formations
- Denton Formation · Washita Group2
- Denison Formation · Washita Group1
- Saltrio Formation · Calcari Selciferi Lombardi Group1
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The named rock units Pecten (Chlamys) subalpinus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Pecten (Chlamys) subalpinus and its relatives
Early CretaceousWhere Pecten (Chlamys) subalpinus and its relatives were recorded in the Early Cretaceous.
Found in the same rock
84 taxa- Gryphaea3 sites
- Plicatula3 sites
- Camptonectes virgatus2 sites
- Leiocidaris hemigranosus2 sites
- Ostrea2 sites
- Astarte praeobliqua1 site
- Avicula sinemuriensis1 site
- Calvaentolium hehlii1 site
- Cardinia hybrida1 site
- Cardinia rugosa1 site
- Cardinia similis1 site
- Cardium multicostatum1 site
- Cenoceras amorettii1 site
- Cenoceras arare1 site
- Cenoceras balsamocrivellii1 site
- Cenoceras breislacki1 site
- Cenoceras intermedium1 site
- Cenoceras spreaficoi1 site
- Cenoceras stoppanii1 site
- Cenoceras striatum1 site
- Cenoceras sturi1 site
- Chlamys textoria1 site
- Cinulia1 site
- Cirpa variabilis1 site
The Paleobiology Database records 4 sites for Pecten (Chlamys) subalpinus, 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- A Paleoecologic Study of the Upper Denton Formation, Tarrant, Denton, and Cooke Counties, Texas2
- The Mesozoic Echinodermata of the United States1
- I fossili del Lias inferiore di Saltrio in Lombardia1
Each of the 4 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 content2

Picture of Pecten subalpinus Parona, 1890
- Source
- GBIF
- Credit
- via GBIF
- Licence
- CC0
- Commercial use
- the licence allows it

Photogrammetry
- Source
- MorphoSource
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- chlamys pecten hericeus · MST:PALEO:MST-SP-6377
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 itChlamys through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Parona 1890