Mammilla

Mammilla is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Polinicinae of the family Naticidae, the moon snails.

Mammilla

H. Zell · 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
PolinicinaePBDB
Diet
carnivorePBDB, for Naticidae
Life habit
semi-infaunalPBDB, for Naticidae
Motility
actively mobilePBDB, for Naticidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 37 million years on record.

The record covers at least 37.71 Mya to 129 ka. No occurrence read is dated outside 48.07 Mya to 11.7 ka.

Eocene — about 1 of 25 occurrencesEoceneOligocene — about 2 of 25 occurrencesOligoceneMiocene — about 2 of 25 occurrencesMiocenePliocene — about 10 of 25 occurrencesPleistocene — about 10 of 25 occurrences49–47 Mya — about 0.1 occurrences47–46 Mya — about 0.2 occurrences46–44 Mya — about 0.2 occurrences44–42 Mya — about 0.2 occurrences42–41 Mya — about 0.2 occurrences41–39 Mya — about 0.2 occurrences39–38 Mya — about 0.1 occurrences34–33 Mya — about 0.4 occurrences33–31 Mya — about 0.5 occurrences31–29 Mya — about 0.5 occurrences29–28 Mya — about 0.5 occurrences28–26 Mya — about 0.1 occurrences13–11 Mya — about 0.1 occurrences11–9.8 Mya — about 0.5 occurrences9.8–8.2 Mya — about 0.5 occurrences8.2–6.5 Mya — about 0.5 occurrences6.5–4.9 Mya — about 1 occurrence4.9–3.3 Mya — about 4 occurrences3.3–1.6 Mya — about 8 occurrences1.6–0 Mya — about 7 occurrences37.71 Mya129 ka49 Mya0 Mya

25 occurrences of Mammilla on record, most of them in the Pliocene. 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

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

13 formations

Pucangan — 7.49°S, 110.00°ECilanang — 6.73°S, 108.67°ECilanang — 7.01°S, 107.33°EToukoshan — 24.47°N, 120.72°EAraya — 10.63°N, 64.30°WAraya — 10.82°N, 64.18°WRyukyu Limestone — 24.38°N, 124.22°EShinzato — 26.18°N, 127.81°EUpper Kalibeng — 7.49°S, 110.00°ETanapag Limestone — 15.00°N, 145.63°EArita — 33.20°N, 129.90°EToshima Sand — 34.62°N, 137.22°ETentokuji — 39.75°N, 140.41°ETuatua Limestone — 17.47°S, 177.05°EKishima — 33.38°N, 129.93°E

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The named rock units Mammilla has been recovered from, largest first. Drawn where the rock is now, not where it formed. 7 occurrences have no formation on record, which is common for older literature.

Mammilla and its relatives

Pliocene

Where Mammilla and its relatives were recorded in the Pliocene.

Found in the same rock

468 taxa

The Paleobiology Database records 11 sites for Mammilla, 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

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 Mammilla

Credit
H. Zell
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Mammilla 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 itPolinicinae through timeFormations of the PlioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Schumacher 1817)