Zittelella varians
No picture of Zittelella varians 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 Zittelella varians, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- ZittelellaPBDB
- Diet
- suspension feederPBDB, for Lithistida
- Life habit
- epifaunalPBDB, for Lithistida
- Motility
- stationary, attachedPBDB, for Lithistida
- Vision
- blindPBDB, for Porifera
- Environment
- marinePBDB, for Lithistida
Time the record covers
At most 22 million years on record.
Every occurrence read is dated to somewhere between 471.3 Mya and 449.6 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
7 occurrences of Zittelella varians on record, most of them in the Ordovician. 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
7 occurrences- Ordovician100%
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 Zittelella varians has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Zittelella varians and its relatives
OrdovicianWhere Zittelella varians and its relatives were recorded in the Ordovician.
Found in the same rock
82 taxa- Hudsonospongia irregularis4 sites
- Hudsonospongia minganensis4 sites
- Psarodictyum magnificum4 sites
- Anthaspidella amplia3 sites
- Lissocoelia ramosa3 sites
- Eunema centralis2 sites
- Hudsonospongia duplicata2 sites
- Leperditia2 sites
- Liospira americana2 sites
- Liospira progne2 sites
- Maclurites magnus2 sites
- Nicholsonella2 sites
- Pachystrophia contiguus2 sites
- Pionodema subaequata2 sites
- Pterygometopus2 sites
- Rhopalocoelia clarkii2 sites
- Strophomena filitexta2 sites
- Strophomena incurvata2 sites
- Tetranota bidorsata2 sites
- Zittelella grossa2 sites
- Ancistrorhyncha costata1 site
- Anolotichia1 site
- Archaeocyphia1 site
- Archaeoscyphia pulchra1 site
The Paleobiology Database records 6 sites for Zittelella varians, 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
3 references- Lower and Middle Ordovician lithistid demosponges from the Mingan Islands, Gulf of St. Lawrence, Quebec, Canada4
- Pre-Chattanooga stratigraphy in Central Tennessee2
- Evolution of Chazyan (Ordovician) reefs of eastern United States and Canada1
Each of the 7 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 content0
No picture of Zittelella varians 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 Zittelella varians, or no answer at all. This entry cannot say which.
No 3D scan of Zittelella varians 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.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itZittelella through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Billings 1861