Nucella emarginata
Nucella emarginata, commonly named the emarginate dogwinkle, is a species of medium-sized predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

Uncredited · 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- Also called
- striped dogwinklePBDB
- Sits inside
- NucellaPBDB
- Diet
- carnivorePBDB, for Muricidae
- Life habit
- epifaunalPBDB, for Muricidae
- Motility
- actively mobilePBDB, for Muricidae
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At least 3.4 million years on record.
The record covers at least 3.6 Mya to 129 ka. No occurrence read is dated outside 5.333 Mya to 0 Mya.
15 occurrences of Nucella emarginata 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
15 occurrences- Pliocene7%
- Pleistocene93%
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
4 formations
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The named rock units Nucella emarginata 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.
Nucella emarginata and its relatives
PleistoceneWhere Nucella emarginata and its relatives were recorded in the Pleistocene.
Found in the same rock
562 taxa- Littorina (Littorina) scutulata10 sites
- Acmaea mitra9 sites
- Callianax biplicata9 sites
- Chlorostoma funebrale9 sites
- Leukoma staminea9 sites
- Amphissa versicolor8 sites
- Diodora aspera8 sites
- Mytilus californianus8 sites
- Thylacodes squamigerus8 sites
- Alia carinata7 sites
- Glans carpenteri7 sites
- Lottia insessa7 sites
- Caesia fossatus6 sites
- Californiconus californicus6 sites
- Calliostoma ligatum6 sites
- Crepidula adunca6 sites
- Crepidula nummaria6 sites
- Cryptomya californica6 sites
- Epilucina californica6 sites
- Fissurella volcano6 sites
- Homalopoma (Homalopoma) luridum6 sites
- Littorina (Neritrema) keenae6 sites
- Lottia digitalis6 sites
- Lottia scabra6 sites
The Paleobiology Database records 11 sites for Nucella emarginata, 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
8 references- Late Pleistocene Invertebrates from Punta Cabras, Baja California, Mexico3
- Late Pleistocene megafauna of Cayucos, California, and its zoogeographic significance3
- Late Pleistocene faunas from the northwestern coast of Baja California, Mexico3
- Pleistocene invertebrates from Punta Baja, Baja California, Mexico2
- The upper Pliocene San Diego Formation and the occurrence of Carcharodon megalodon at La Joya, Tijuana, Baja California, Mexico1
- Geology of San Nicolas Island, California1
- Geology and Paleontology of Palos Verdes Hills, California1
- An Upper Pleistocene fauna from the Baldwin Hills, Los Angeles County, California1
Each of the 15 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 Nucella emarginata
- Source
- Wikipedia/Commons
- Credit
- nobody named on the record
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Nucella emarginata was found in MorphoSource and Sketchfab.
Smithsonian Open Access was 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 itNucella through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Deshayes 1839)