Nipponitrigonia
No picture of Nipponitrigonia was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Nipponitrigonia, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- TrigoniidaePBDB
- Diet
- suspension feederPBDB, for Trigoniidae
- Life habit
- shallow infaunalPBDB, for Trigoniidae
- Motility
- fast-movingPBDB, for Trigoniidae
- Vision
- blindPBDB, for Trigoniidae
- Environment
- marinePBDB, for Trigoniidae
Time the record covers
At least 54 million years on record.
The record covers at least 154.8 Mya to 100.5 Mya. No occurrence read is dated outside 161.5 Mya to 93.9 Mya.
47 occurrences of Nipponitrigonia on record, most of them in the Early Cretaceous. 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
47 occurrencesThese 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
15 formations
- Tanohata Formation · Miyako Group7
- Enokuchi Formation · Goshoura Group6
- Hoji Formation5
- Hiraiga Formation · Miyako Group5
- Yatsushiro Formation4
- Kikunotani Formation2
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The named rock units Nipponitrigonia 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.
Nipponitrigonia and its relatives
Early CretaceousWhere Nipponitrigonia and its relatives were recorded in the Early Cretaceous.
Found in the same rock
121 taxa- Pterotrigonia (Pterotrigonia)17 sites
- Anthonya8 sites
- Glycymeris (Hanaia)7 sites
- Eriphyla (Eriphyla)6 sites
- Gervillia (Gervillia)6 sites
- Astarte5 sites
- Bakevellia (Neobakevellia)5 sites
- Ceratostreon5 sites
- Grammatodon (Nanonavis)5 sites
- Lopha (Actinostreon)5 sites
- Nagaoella5 sites
- Otostoma5 sites
- Praecaprotina5 sites
- Ptychomya densicostata5 sites
- Spondylus5 sites
- Trajanella5 sites
- Astarte (Astarte)4 sites
- Limatula4 sites
- Rastellum carinatum4 sites
- Teredo4 sites
- Acmaea3 sites
- Amphidonte (Amphidonte)3 sites
- Astarte minor3 sites
- Ataphrus3 sites
The Paleobiology Database records 30 sites for Nipponitrigonia, 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
7 references- A systematic survey of the Mesozoic Bivalvia from Japan30
- Stratigraphy and fossil bivalve assemblages of the mid-Cretaceous Goshoura Group, southwest Japan6
- Kase, 19846
- Habitats of Bivalves in the Lower-Cretaceous Aptian Tanohata and Aptian to Albian Hiraiga Formations, Iwate Prefecture, Northeastern Japan2
- Hauterivian-Barremian marine molluscan fauna from the Tetori Group in Japan and late Mesozoic marine transgressions in East Asia1
- Upper Albian bivalves from the Goshonoura Group1
- Lower Cretaceous bivalves from the Sakawa area, Shikoku1
Each of the 47 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 Nipponitrigonia was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Nipponitrigonia, or no answer at all. This entry cannot say which.
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itTrigoniidae through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Cox 1952