Spinosauridae
Spinosauridae is a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America, and Asia. Their remains have generally been attributed to the Early to Late Cretaceous.

User:ケラトプスユウタ Kabacchi User:Hello!mrsax Mike Bowler · CC BY 2.0 · 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
- MegalosauroideaPBDB
- Diet
- carnivorePBDB, for Theropoda
- Life habit
- ground dwelling, solitaryPBDB, for Theropoda
- Motility
- actively mobilePBDB, for Theropoda
- Environment
- terrestrialPBDB, for Theropoda
Time the record covers
At least 81 million years on record.
The record covers at least 165.3 Mya to 83.6 Mya. No occurrence read is dated outside 168.2 Mya to 66 Mya.
172 occurrences of Spinosauridae 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
172 occurrences- Middle Jurassicunder 1%
- Late Jurassic2%
- Early Cretaceous70%
- Late Cretaceous27%
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
52 formations
- Sao Khua Formation · Khorat Group12
- Arcillas de Morella Formation12
- Ifezouane Formation · Kem Kem Group10
- Aïn el Guettar Formation6
- El Castellar Formation6
- Khok Kruat Formation · Khorat Group6
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The named rock units Spinosauridae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 28 further formations hold fewer occurrences each and are not listed. 22 occurrences have no formation on record, which is common for older literature.
Spinosauridae and its relatives
Early CretaceousWhere Spinosauridae and its relatives were recorded in the Early Cretaceous.
Found in the same rock
620 taxa- Theropoda49 sites
- Baryonychinae28 sites
- Testudines28 sites
- Crocodylia27 sites
- Sauropoda22 sites
- Spinosaurus aegyptiacus20 sites
- Lepidotes18 sites
- Spinosaurus15 sites
- Iguanodon12 sites
- Osteichthyes12 sites
- Dinosauria11 sites
- Dromaeosauridae11 sites
- Baryonyx10 sites
- Carcharodontosaurus saharicus10 sites
- Ornithopoda10 sites
- Pterosauria10 sites
- Spinosaurinae10 sites
- Coelurosauria9 sites
- Hybodontidae9 sites
- Neoceratodus africanus9 sites
- Pycnodontiformes9 sites
- Titanosauriformes9 sites
- Goniopholididae8 sites
- Ornithocheiridae8 sites
The Paleobiology Database records 152 sites for Spinosauridae, 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
116 references- The phylogeny of Tetanurae (Dinosauria: Theropoda)6
- Unbalanced food web in a Late Cretaceous dinosaur assemblage5
- An update of the spinosaurid (Dinosauria: Theropoda) fossil record from the Lower Cretaceous of the Iberian Peninsula: distribution, diversity, and evolutionary history4
- Juvenile spinosaurs (Theropoda: Spinosauridae) from the middle Cretaceous of Morocco and implications for spinosaur ecology4
- Calcium isotopes offer clues on resource partitioning among Cretaceous predatory dinosaurs4
- Semiaquatic adaptations in a giant predatory dinosaur4
- Dinosaurs and other fossil vertebrates from the Late Jurassic and Early Cretaceous of the Galve area, NE Spain4
- Spinosaurid theropod teeth from the red beds of the Khok Kruat Formation (Early Cretaceous) in northeastern Thailand3
- A megatheropod tooth from the Early Cretaceous of Fusui, Guangxi, Southern China3
- A reevaluation of Sigilmassasaurus brevicollis (Dinosauria) from the Cretaceous of Morocco3
- Los restos directos de dinosaurios teropódos (excluyendo Aves) en España [Direct remains of theropod dinosaurs (excluding Aves) in Spain]3
- Dinosaurios (Saurischia, Ornithischia) en el Barremiense (Cretácico Inferior) de la península Ibérica [Dinosaurs (Saurischia, Ornithischia) in the Barremian (Lower Cretaceous) of the Iberian peninsula]3
Each of the 172 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. 104 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 content3
Picture of Spinosauridae
- Source
- Wikipedia/Commons
- Credit
- User:ケラトプスユウタ Kabacchi User:Hello!mrsax Mike Bowler
- Licence
- CC BY 2.0
- Commercial use
- the licence allows it
CT scan
- Source
- MorphoSource
- Licence
- In Copyright
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Spinosauridae indet. · UFSCar:LPP-PV-0042
Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- 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 itMegalosauroidea through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Stromer 1915