Bactroptyxis
via iDigBio · CC BY-NC-ND · via iDigBio. 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
- HeterostrophiaPBDB
- Life habit
- epifaunalPBDB, for Gastropoda
- Motility
- actively mobilePBDB, for Gastropoda
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At most 6.7 million years on record.
Every occurrence read is dated to somewhere between 168.2 Mya and 161.5 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
4 occurrences of Bactroptyxis on record, most of them in the Middle Jurassic. 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
4 occurrences- Middle Jurassic100%
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
3 formations
- Baghamshah Formation1
- Dhruma Formation · Shaqra Group1
- Zohar Formation · Arad Group1
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The named rock units Bactroptyxis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Bactroptyxis and its relatives
Middle JurassicWhere Bactroptyxis and its relatives were recorded in the Middle Jurassic.
Found in the same rock
78 taxa- Montlivaltia2 sites
- Neocrassina2 sites
- Pholadomya lirata2 sites
- Protocardia2 sites
- Pseudomelania2 sites
- Thracia2 sites
- Actinastrea1 site
- Actinostreon gregarea1 site
- Andemantastraea gaultierensis1 site
- Arabatia bihinensis1 site
- Astraraea1 site
- Ataphrus1 site
- Bathnosmilia boureqi1 site
- Berbericeras1 site
- Burmirhynchia1 site
- Burmirhynchia (Hopkinsirhynchia) elegantula1 site
- Camptonectes laminatus1 site
- Ceratomyopsis arabica1 site
- Cererithyris intermedia1 site
- Chlamys1 site
- Chlamys textoria1 site
- Chomatoseris1 site
- Chomatoseris jacobi1 site
- Chomatoseris orbulites1 site
The Paleobiology Database records 4 sites for Bactroptyxis, 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
4 references- Le Jurassique D`Arabie Centrale1
- Laurin, 19841
- Explanatory text of the Naybandan Quadrangle Map 1:250,0001
- Callovian gastropods from Hamakhtesh Hagadol (southern Israel)1
Each of the 4 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 Bactroptyxis
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC BY-NC-ND
- Commercial use
- the licence does not allow it
No 3D scan of Bactroptyxis 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.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itHeterostrophia through timeFormations of the Middle JurassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Cossmann 1896