Glossaulax reclusiana
Glossaulax reclusiana, also known as Recluz's moon snail, is a species of sea snail in the family Naticidae, the moon snails. It is named for French amateur malacologist César Auguste Récluz.

iNaturalist user: garmonb0zia · CC0 · 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
- Recluz's moon snailPBDB
- Sits inside
- Neverita (Glossaulax)PBDB
- 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 47 million years on record.
The record covers at least 48.07 Mya to 129 ka. No occurrence read is dated outside 56 Mya to 11.7 ka.
301 occurrences of Glossaulax reclusiana 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
301 occurrences- Eocene14%
- Oligocene4%
- Miocene24%
- Pliocene24%
- Pleistocene33%
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
40 formations
- Vaqueros Formation42
- Pico Formation41
- Careaga Sandstone Formation24
- Eugene Formation22
- Towsley Formation18
- Palos Verdes Sand Formation15
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The named rock units Glossaulax reclusiana has been recovered from, largest first. Drawn where the rock is now, not where it formed. 16 further formations hold fewer occurrences each and are not listed. 49 occurrences have no formation on record, which is common for older literature.
Glossaulax reclusiana and its relatives
PleistoceneWhere Glossaulax reclusiana and its relatives were recorded in the Pleistocene.
Found in the same rock
2,019 taxa- Turritella cooperi60 sites
- Balanus47 sites
- Callianax biplicata46 sites
- Polinices (Neverita) reclusianus andersoni44 sites
- Mitrella gausapata43 sites
- Lucinisca nuttalli42 sites
- Macoma nasuta42 sites
- Californiconus californicus40 sites
- Panopea generosa40 sites
- Saccella taphria39 sites
- Solen sicarius38 sites
- Dentalium neohexagonum36 sites
- Cryptomya californica33 sites
- Dallocardia quadragenarium32 sites
- Anadara trilineata30 sites
- Tresus nuttallii30 sites
- Calyptraea filosa29 sites
- Lucinoma annulata29 sites
- Mitrella tuberosa29 sites
- Leporimetis obesa28 sites
- Megasurcula carpenteriana28 sites
- Caesia perpinguis27 sites
- Nutricola tantilla27 sites
- Crepidula nummaria25 sites
The Paleobiology Database records 277 sites for Glossaulax reclusiana, and this reads 240 of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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
64 references- The Vaqueros Formation, Lower Miocene of California. I. Paleontology39
- The Oligocene marine molluscan fauna of the Eugene Formation in Oregon22
- Geology and paleontology of the Santa Maria District California21
- On the reconciliation of biostratigraphy and strontium isotope stratigraphy of three southern Californian Plio-Pleistocene formations16
- Early Pliocene marine climate and environment of the eastern Ventura Basin, Southern California16
- Geology of southeastern Ventura basin, Los Angeles County, California16
- Late Pliocene megafossils of the Pico Formation, Newhall area, Los Angeles County, Southern California10
- Late Pleistocene megafauna of Cayucos, California, and its zoogeographic significance10
- Naticidae (Mollusca: Mesogastropoda) from the Neogene of northwestern Ecuador9
- Pancho Rico Formation, Salinas Valley9
- Oligocene marine mollusks from the Pittsburg Bluff Formation in Oregon8
- Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions7
Each of the 301 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. 52 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 Glossaulax reclusiana
- Source
- Wikipedia/Commons
- Credit
- iNaturalist user: garmonb0zia
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Glossaulax reclusiana 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 itNeverita (Glossaulax) through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Deshayes 1839)