Stephanozyga
No picture of Stephanozyga was found. Wikidata and iDigBio were searched and had none. Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Stephanozyga, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- PseudozygopleuridaePBDB
- Diet
- detritivorePBDB, for Pseudozygopleuridae
- Life habit
- epifaunalPBDB, for Pseudozygopleuridae
- Motility
- actively mobilePBDB, for Pseudozygopleuridae
- Vision
- limitedPBDB, for Pseudozygopleuridae
- Environment
- marinePBDB, for Pseudozygopleuridae
Time the record covers
At least 73 million years on record.
The record covers at least 339.9 Mya to 266.9 Mya. No occurrence read is dated outside 358.86 Mya to 264.28 Mya.
39 occurrences of Stephanozyga on record, most of them in the Carboniferous. 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
39 occurrences- Carboniferous70%
- Permian30%
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
26 formations
- Flechado Formation5
- Lower Limestone Formation · Clackmannan Group3
- Shakhtau Reef Formation3
- Golconda Formation2
- Houkou Formation · Taiyuan Group2
- Verkhnii Uslon Formation · Kazan Group2
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The named rock units Stephanozyga has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 further formations hold fewer occurrences each and are not listed. 2 occurrences have no formation on record, which is common for older literature.
Stephanozyga and its relatives
CarboniferousWhere Stephanozyga and its relatives were recorded in the Carboniferous.
Found in the same rock
1,051 taxa- Nodozyga rugifera8 sites
- Strobeus paludinaeformis6 sites
- Goniasma lasallense5 sites
- Meekospira peracuta5 sites
- Pithodea tornatilis5 sites
- Strobeus primogenius5 sites
- Bellerophon4 sites
- Crinoidea4 sites
- Euomphalus catillus4 sites
- Jedria ventrica4 sites
- Pharkidonotus percarinatus4 sites
- Soleniscus elegans4 sites
- Trepospira illinoisensis4 sites
- Worthenia tabulata4 sites
- Ananias bashkiriensis3 sites
- Anomphalus3 sites
- Anomphalus planus3 sites
- Anomphalus verruculiferus3 sites
- Baylea inclinata3 sites
- Baylea yvanii3 sites
- Bellerophon isfarensis3 sites
- Cleiothyridina3 sites
- Composita subtilita3 sites
- Condrathyris perplexa3 sites
The Paleobiology Database records 32 sites for Stephanozyga, 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
26 references- A revision of the British Carboniferous Loxonematidae, with descriptions of new forms5
- Lower Permian gastropods of Shakhtau (Asselian–Sakmarian boundary beds, southern Cisuralia)3
- Middle Pennsylvanian gastropods from the Flechado Formation, north-central New Mexico3
- Upper Kazanian (Middle Permian) gastropods of the Volga–Urals Region2
- Pennsylvanian stratigraphy and paleontology of the Taos area, north-central New Mexico2
- Chesterian (Upper Mississippian) Gastropoda of the Illinois basin2
- Gastropoda of the Penchi and Taiyuan Series of North China2
- Die Gastropoden und Lamellibranchiaten der Dyas von Timor2
- Type and reference sections of the Middle and Upper Permian of the Volga and Kama River Regions: A Field Guidebook of XVIII International Congress on Carboniferous and Permian1
- Paleoecology and taphonomy of faunal assemblages in gray "core" (offshore) shales in Midcontinent Pennsylvanian cyclothems1
- Pennsylvanina (Morrowan) gastropods from the Magdalena Formation of the Hueco Mountains, Texas1
- Early Carboniferous (Viséan) gastropods from the Hikoroichi Formation of the Kitakami Mountains, northeast Japan1
Each of the 39 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. 14 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 content0
No picture of Stephanozyga was found. Wikidata and iDigBio were searched and had none.
Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Stephanozyga, or no answer at all. This entry cannot say which.
No 3D scan of Stephanozyga 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 itPseudozygopleuridae through timeFormations of the CarboniferousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Knight 1930)