Propeamussium
Propeamussium is a genus of saltwater clams, marine bivalve mollusks in the order Ostreoida.
Hectonichus · CC BY-SA 3.0 · via Wikipedia/Commons. 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
- PropeamussiidaePBDB
- Diet
- carnivorePBDB
- Life habit
- epifaunalPBDB
- Motility
- actively mobilePBDB
- Vision
- limitedPBDB, for Propeamussiidae
- Environment
- marinePBDB, for Pectinida
Time the record covers
At least 220 million years on record.
The record covers at least 227.3 Mya to 7.246 Mya. No occurrence read is dated outside 237 Mya to 3.6 Mya.
218 occurrences of Propeamussium on record, most of them in the Paleocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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
218 occurrences- Late Triassic3%
- Early Jurassic11%
- Middle Jurassic13%
- Late Jurassic3%
- Early Cretaceous2%
- Late Cretaceous16%
- Paleocene30%
- Eocene11%
- Oligocene6%
- Miocene5%
- Plioceneunder 1%
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
70 formations
- Kincaid Formation · Midway Group23
- Porters Creek Formation · Midway Group15
- Lellinge Greensand Formation12
- Ladd Formation12
- Phantom Creek Formation11
- opoka Formation7
Loading coastlines…
The named rock units Propeamussium has been recovered from, largest first. Drawn where the rock is now, not where it formed. 46 further formations hold fewer occurrences each and are not listed. 40 occurrences have no formation on record, which is common for older literature.
Propeamussium and its relatives
PaleoceneWhere Propeamussium and its relatives were recorded in the Paleocene.
Found in the same rock
2,071 taxa- Nuculana44 sites
- Cucullaea40 sites
- Amusium (Propeamussium) alabamense35 sites
- Corbula33 sites
- Dentalium29 sites
- Naticidae26 sites
- Retusa24 sites
- Turritella23 sites
- Venericardia23 sites
- Crassatella21 sites
- Cuspidaria20 sites
- Nucula20 sites
- Nucula (Nucula) mediavia19 sites
- Cadulus17 sites
- Modiolus16 sites
- Tellina16 sites
- Tornatellaea16 sites
- Turridae16 sites
- Ostrea15 sites
- Athleta (Volutocorbis)14 sites
- Barbatia14 sites
- Bittium14 sites
- Jupiteria14 sites
- Limopsis14 sites
The Paleobiology Database records 175 sites for Propeamussium, 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
85 references- Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia16
- The first 2 million years after the Cretaceous-Tertiary boundary in east Texas: Rate and paleoecology of the molluscan recovery15
- Impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages9
- The Selandian (Paleocene) mollusc fauna from Copenhagen, Denmark: the Poul Harder 1920 collection9
- Hettangian through Aalenian (Jurassic) guide fossils and biostratigraphy, Northern Yukon and adjacent Northwest Territories9
- Propeamussium species (Bivalvia, Propeamussiidae) from the Upper Cretaceous of Southern California9
- Maastrichtian non-cephalopod mollusks: Scaphopoda, Gastropoda and Bivalvia of the Middle Vistula Valley, central Poland8
- The Midway Group of Texas8
- Neogene and Paleogene Molluscan (Bivalvia) Cenozones of the Russian Northeast.6
- Patterns of molluscan extinction and recovery across the Cretaceous-Tertiary boundary in east Texas; report on new outcrops6
- Unpublished data on Cretaceous-Paleocene molluscan assemblages5
- Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Pteropoda, Scaphopoda and Cephalopoda5
Each of the 218 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. 73 further references are 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 Propeamussium
- Source
- Wikipedia/Commons
- Credit
- Hectonichus
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
No 3D scan of Propeamussium 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.
The description on this site
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itPropeamussiidae through timeFormations of the PaleoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (de Gregorio 1884)