Fauna
Fish

Hybodus reticulatus

Hybodus reticulatus

Hybodus reticulatus patrolled the shallow Jurassic seas armed with a streamlined, classic shark silhouette and prominent dorsal spines designed to deter marine reptiles. Its mouth contained a versatile dentition, combining sharp, multicuspid anterior teeth for seizing slippery prey with flattened posterior teeth adapted for crushing shells. Like many ancient elasmobranchs, males possessed prominent cephalic spines on their heads that likely played a role in courtship or territorial displays.

FossilMarine Predator
Hybodus reticulatus reference
Gasmasque / CC BY 4.0 · cc-by
—observations
—countries
—peak records
ExtinctConservation statusIUCN Red List categoriesLCNTVUENCREWEXExtinctRed List categories, explained →
Key facts
Diet & preyAmmonites, Belemnites, Bony fish
Predators
  • Pliosaurs
  • Ichthyosaurs
  • Large hybodonts
ThreatsLarger marine reptiles like pliosaurs and ichthyosaurs
HabitatsShallow epicontinental seas, coastal waters, and lagoons
Life spanEstimated 15–25 years
Classification
  1. FamilyHybodontidae
  2. GenusHybodus
  3. SpeciesHybodus reticulatus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Extinct prehistoric shark known only from fossils; completely safe to observe.
Responsible observation
  • Fossil Identification: Look for distinctive grooved dorsal fin spines and multicuspid tooth crowns in Jurassic marine strata.
  • Museum Collections: Study mounted skeletal compressions in major natural history collections, particularly from the UK Jurassic Coast.
  • Preservation Etiquette: Extract exposed matrix fossils carefully with paleontological supervision to preserve delicate cartilage outlines.
Related species
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