Belemnopsis
Belemnopsis is a genus of belemnite, an extinct group of cephalopods.
Daniel Mietchen · CC BY 3.0 · 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- Sits inside
- BelemnopseidaePBDB
- Diet
- carnivorePBDB, for Cephalopoda
- Life habit
- nektonicPBDB, for Belemnitida
- Motility
- fast-movingPBDB, for Cephalopoda
- Vision
- well-developedPBDB, for Cephalopoda
- Environment
- marinePBDB, for Cephalopoda
Time the record covers
At least 97 million years on record.
The record covers at least 217 Mya to 119.57 Mya. No occurrence read is dated outside 221 Mya to 66 Mya.
136 occurrences of Belemnopsis on record, most of them in the Late 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
136 occurrences- Late Triassicunder 1%
- Early Jurassic5%
- Middle Jurassic19%
- Late Jurassic63%
- Early Cretaceous13%
- Late Cretaceousunder 1%
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
28 formations
- Ablation Point Formation4
- Spartan Glacier Formation4
- Rio Mayer Formation4
- Ohineruru Formation3
- Sabaki Formation3
- Lautaro Formation3
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The named rock units Belemnopsis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 4 further formations hold fewer occurrences each and are not listed. 86 occurrences have no formation on record, which is common for older literature.
Belemnopsis and its relatives
Late JurassicWhere Belemnopsis and its relatives were recorded in the Late Jurassic.
Found in the same rock
508 taxa- Entolium11 sites
- Buchia10 sites
- Oxytoma9 sites
- Rhynchonella8 sites
- Lytoceras7 sites
- Retroceramus haasti7 sites
- Astarte6 sites
- Buchia plicata6 sites
- Inoceramus6 sites
- Pleuromya6 sites
- Serpula6 sites
- Camptonectes5 sites
- Lucina5 sites
- Malayomaorica malayomaorica5 sites
- Pleurotomaria5 sites
- Pseudolimea5 sites
- Vaugonia (Vaugonia) kawhiana5 sites
- Grammatodon (Indogrammatodon) egertonianus4 sites
- Homomya4 sites
- Myophorella (Scaphogonia) macnaughti4 sites
- Plagiostoma4 sites
- Pleuromya milleformis4 sites
- Ammonoidea3 sites
- Calliphylloceras disputabile3 sites
The Paleobiology Database records 112 sites for Belemnopsis, 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
45 references- The Jurassic and Cretaceous Belemnites of New Zealand and a Review of the Jurassic and Cretaceous Belemnites of the Indo-Pacific Region23
- Geology of the Port Waikato Region (Onewhero Sheet N51)22
- Lithostratigraphy of Upper Jurassic-Lower Cretaceous strata of eastern Alexander Island, Antarctica10
- Geologie de Madagascar I. Les Terrains Sedimentaires7
- Knoxville series in the California Mesozoic5
- Mesozoic Brachiopoda and Mollusca from Mombasa5
- Desmoceratidae, Silesitidae and Kossmaticeratidae (Ammonitida) from the Upper Aptian-Albian of Patagonia (Argentina)4
- Distribution, stratigraphy and stratigraphic relationships of Cretaceous sediments, western Raukumara Peninsula, New Zealand4
- Jurassic Fossils from Jubaland, East Africa, Collected by V. G. Glenday, And the Jurassic Geology of Somaliland4
- Late Mesozoic stratigraphy and invertebrate palaeontology of the South Orkney Isalnds3
- Mesozoic Fossils from the Central Highlands of New Guinea3
- Les terrains secondaires dans le massif du Moghara à l’Est de l’isthme de Suez3
Each of the 136 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. 33 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 content2
Picture of Belemnopsis
- Source
- Wikipedia/Commons
- Credit
- Daniel Mietchen
- Licence
- CC BY 3.0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Licence
- CC0 Public Domain
- Commercial use
- the licence allows it
The description on this site
- Source
- Wikipedia, “Belemnopsis”
- 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 itBelemnopseidae through timeFormations of the Late JurassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Bayle 1878)