Engina
Engina is a genus of sea snails, marine gastropod mollusks in the family Pisaniidae.

Jan Delsing · Public Domain · 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
- PisaniidaePBDB
- Diet
- carnivorePBDB, for Neogastropoda
- Life habit
- epifaunalPBDB, for Neogastropoda
- Motility
- actively mobilePBDB, for Neogastropoda
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At least 15 million years on record.
The record covers at least 15.98 Mya to 129 ka. No occurrence read is dated outside 23.04 Mya to 11.7 ka.
23 occurrences of Engina 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
23 occurrences- Miocene26%
- Pliocene8%
- Pleistocene65%
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
9 formations
- Gurabo Formation4
- Gelingseh Formation1
- Armuelles Formation · Charco Azul Group1
- Caloosahatchee Formation1
- Mount Hope Formation1
- Gatun Formation1
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The named rock units Engina has been recovered from, largest first. Drawn where the rock is now, not where it formed. 11 occurrences have no formation on record, which is common for older literature.
Engina and its relatives
PleistoceneWhere Engina and its relatives were recorded in the Pleistocene.
Found in the same rock
1,462 taxa- Cerithium8 sites
- Atilia5 sites
- Latirus5 sites
- Tegula5 sites
- Anomia peruviana4 sites
- Bostrycapulus aculeatus4 sites
- Bulla punctulata4 sites
- Conus4 sites
- Hipponix4 sites
- Mitra4 sites
- Ostrea4 sites
- Rissoina4 sites
- Tritia4 sites
- Turritella4 sites
- Alaba supralirata3 sites
- Alvania3 sites
- Anadara3 sites
- Anadara (Anadara) antiquata3 sites
- Argopecten ventricosus3 sites
- Barbatia (Cucullaearca) reeveana3 sites
- Cerithiopsis3 sites
- Chama3 sites
- Chione undatella3 sites
- Chlamys3 sites
The Paleobiology Database records 14 sites for Engina, 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
14 references- The genera Engina and Ameranna nov. gen. (Mollusca: Gastropoda, Buccinoidea, Buccinidae, Pisaniinae) from the Western Atlantic Neogene4
- Mollusken aus posttertiären Schichten von Celebes4
- Marine Pleistocene mollusks from the Galapagos Islands3
- Unpublished notes on Caribbean collection of the Naturhistorisches Museum Basel2
- Miocene (Preangerian) molluscs from Kari Orang, northern Kutai, East Borneo1
- Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods: Nuculidae to Malleidae)1
- Pliocene fossils from Baltra (South Seymour) Island, Galápagos Islands1
- Upper Pleistocene Mollusca from Potrero Canyon, Pacific Palisades, California1
- Pliocene Mollusca of Southern Florida1
- Mollusques Pleistocenes de la Cote Francaise des Somalis [Pleistocene molluscs from French Somaliland]1
- Tertiary and Quaternary fossils from Burica Peninsula of Panama and Costa Rica1
- An Upper Pleistocene fauna from the Baldwin Hills, Los Angeles County, California1
Each of the 23 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. 2 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 content2
Picture of Engina
- Source
- Wikipedia/Commons
- Credit
- Jan Delsing
- Licence
- Public Domain
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Licence
- CC0 Public Domain
- Commercial use
- the licence allows it
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
- Source
- Wikipedia, “Engina”
- 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 itPisaniidae through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Gray 1839