SHARK VS SHARK

CretoxyrhinavsHybodus

Length, weight and bite evidence—plus context from a human, city bus and blue whale. Every number below carries its uncertainty with it.

ExtinctCretoxyrhina mantelli×ExtinctHybodus hauffianus
QUICK VERDICT

Cretoxyrhina is about 2.8× longer by these reference values.

Cretoxyrhina uses a 7 m upper reference, compared with 2.5 m for Hybodus. A clean mass ratio is not shown because at least one weight is not reliably reconstructed.

01

ON THE SAME SCALE

Human. Bus. Whale.
Pick your reference.

RELATIVE LENGTH · 0–24 METERS
ACretoxyrhinaestimated to about 7 m / 23 ft
BHybodusabout 2.5 m / 8.2 ft
REFAdult human1.8 m · about 80 kg

Length bars use upper comparison values and do not show body depth, tail proportion or typical adult size. A long thresher tail, for example, does not equal whale-shark body mass.

02

THE NUMBERS

Side by side.

MeasureCretoxyrhinaHybodus
Length referenceestimated to about 7 m / 23 ftabout 2.5 m / 8.2 ft
Weight referenceNot reliably reconstructedNot reliably reconstructed
Bite forceNo defensible estimate usedUnknownNo defensible estimate usedUnknown
Timeabout 107–73 million years agoabout 250–100 million years ago
DietLarge fishes and marine reptilesFishes and hard-shelled prey
03

WHAT THE DATA CAN SAY

Size is not the whole animal.

Length and weight

Cretoxyrhina is represented by estimated to about 7 m / 23 ft; Hybodus by about 2.5 m / 8.2 ft. Length is reconstructed from fossils; mass is too model-dependent for a single figure here. The genus spans a long interval and multiple species; this is a comparison reference.

Bite evidence

Cretoxyrhina: TuffShark does not scale a bite value without a published species-specific model. Hybodus: Tooth form suggests diet, not an exact force.

Living versus extinct

At least one animal is known from fossils. Fossil length, weight and bite estimates depend on which living analogues and scaling equations researchers choose.

Ecology changes the matchup

Teeth and rare skeletal material point to a large, fast lamniform predator. It was a shark-line relative, not a member of a living shark order.

04

TRACE THE CLAIMS

Sources and limits.

CretoxyrhinaSmithsonian National Museum of Natural HistoryHybodusNatural History MuseumHow we standardize comparisonsRead the methodology →