Hybodontiformes

Uncredited · via Wikidata/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
- HybodontaPBDB
- Diet
- carnivorePBDB, for Chondrichthyes
- Life habit
- nektonicPBDB, for Chondrichthyes
- Motility
- actively mobilePBDB, for Chondrichthyes
Time the record covers
At least 364 million years on record.
The record covers at least 372.15 Mya to 7.246 Mya. No occurrence read is dated outside 419.62 Mya to 3.6 Mya.
1,917 occurrences of Hybodontiformes 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
1,917 occurrences- Devonianunder 1%
- Carboniferous1%
- Permian10%
- Early Triassic5%
- Middle Triassic12%
- Late Triassic15%
- Early Jurassic6%
- Middle Jurassic3%
- Late Jurassic5%
- Early Cretaceous21%
- Late Cretaceous20%
- Paleoceneunder 1%
- Eoceneunder 1%
- Mioceneunder 1%
- Plioceneunder 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
367 formations
- Durlston Formation · Purbeck Group88
- Khuff Formation62
- Cañete Formation59
- Westbury Formation · Penarth Group43
- Hell Creek Formation · Montana Group31
- Bahariya Formation30
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The named rock units Hybodontiformes has been recovered from, largest first. Drawn where the rock is now, not where it formed. 343 further formations hold fewer occurrences each and are not listed. 411 occurrences have no formation on record, which is common for older literature.
Hybodontiformes and its relatives
Early CretaceousWhere Hybodontiformes and its relatives were recorded in the Early Cretaceous.
Found in the same rock
2,281 taxa- Myledaphus bipartitus67 sites
- Theropoda62 sites
- Hybodus59 sites
- Trionychidae48 sites
- Lepisosteus occidentalis42 sites
- Lonchidion selachos42 sites
- Scapherpeton tectum40 sites
- Crocodylia39 sites
- Teleostei38 sites
- Meristodonoides montanensis36 sites
- Lepidotes35 sites
- Osteichthyes34 sites
- Testudines33 sites
- Anura31 sites
- Ischyrhiza mira31 sites
- Amiidae30 sites
- Belonostomus longirostris30 sites
- Baenidae29 sites
- Borealosuchus sternbergii28 sites
- Dromaeosauridae28 sites
- Adocus27 sites
- Brachychampsa montana27 sites
- Chelydridae27 sites
- Opisthotriton kayi26 sites
The Paleobiology Database records 1,094 sites for Hybodontiformes, and this reads 240 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
577 references- Selachian faunas from the lowermost Purbeck Group of Dorset, southern England97
- A new diverse shark fauna from the Wordian (Middle Permian) Khuff Formation in the interior Haushi-Huqf area, Sultanate of Oman62
- The Chondrichthyan Fauna from the Middle Triassic (Ladinian)of the Iberian Range (Spain)58
- Catalogue of the Fossil Fishes in the British Museum (Natural History) Part 155
- Placoid scales (Chondrichthyes: Elasmobranchii) from the Late Jurassic (Kimmeridgian) of northern Germany33
- A new selachian fauna from the late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin)26
- Rhaetian (Upper Triassic) marine faunas from "Le Golfe du Luxembourg" in Belgium (preliminary note)23
- The Lower Triassic System in the Abrek Bay area, south Primorye, Russia20
- Hybodontoidei (Chondrichthyes) from the Wichita-Albany Group (Early Permian) of Texas20
- The dentition of Hybodus hauffianus Fraas, 1895 (Toarcian, Early Jurassic)18
- Taxonomy and biostratigraphy of middle and late Triassic Elasmobranch Ichthyoliths from Northeastern British Columbia18
- L'Infralias dans la Franche-Comté [The Lower Lias of Franche-Comté]18
Each of the 1,917 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. 565 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 content1

Picture of Hybodontiformes
- Source
- Wikidata/Commons
- Credit
- nobody named on the record
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Hybodontiformes 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 itHybodonta through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Patterson 1966)