Dinosaurs That Start With P

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Explore a complete list of over 81 dinosaurs that start with the letter P.

Each dinosaur listed has a dedicated page with information on classification, diet, size, fossil evidence, geographic distribution, and maps of known fossil locations, where available. Pages may also include size comparison charts, fossil representations, and in-depth descriptions based on current scientific research.

The amount of information varies by species, depending on the completeness of fossil discoveries.

Pachycephalosaurus

Pachycephalosaurus

Diet: Herbivore/Omnivore‭?Size: ‭U‬ncertain due to lack of remains,‭ ‬but comparison to more complete genera has yielded estimates of around‭ ‬4.5‭ ‬meters long.Time Period: Maastrichtian of the Cretaceous.
Pachyrhinosaurus

Pachyrhinosaurus

Diet: Herbivore.Size: 8‭ ‬meters long.Time Period: Campanian of the Cretaceous.

Pakisaurus

Diet: Herbivore.Size: Unknown due to lack of remains.Time Period: Maastrichtian of the Cretaceous.

Palaeoscincus

Diet: Herbivore.Size: Uncertain.Time Period: Campanian of the Cretaceous.

Paludititan

Diet: Herbivore.Size: Unavailable.Time Period: Maastrichtian of the Cretaceous.

Panamericansaurus

Diet: Herbivore.Size: Estimated to be about‭ ‬11‭ ‬meters long.Time Period: Campanian/Maastrichtian of the Cretaceous.

Pandoravenator

Diet: Carnivore.Size: Unknown due to lack of fossil remains.Time Period: Oxfodian/Tithonian of‭ ‬the Jurassic.

Panguraptor

Diet: Carnivore.Size: Roughly about‭ ‬1.7‭ ‬meters long for holotype individual.Time Period: Early Jurassic.

Panoplosaurus

Diet: Herbivore.Size: Roughly up to about‭ ‬7‭ ‬meters long.Time Period: Campanian to Maastrichtian of the Cretaceous.

Panphagia

Diet: Omnivore‭?Size: Holotype estimated to be about‭ ‬1.3‭ ‬meters long,‭ ‬though fully grown adults were almost certainly larger.Time Period: Carnian of the Triassic.

Pantydraco

Diet: Omnivore.Size: Uncertain.Time Period: Rhaetian of the Triassic,‭ ‬possibly into the early Jurassic.

Papiliovenator

Diet: Carnivore.Size: Skull roughly‭ ‬11‭ ‬centimetres long.Time Period: Campanian of the Cretaceous.

Parahongshanornis

Diet: Uncertain.Size: Unavailable.Time Period: Aptian of the Cretaceous.

Paralitherizinosaurus

Diet: Herbivore.Size: Uncertain due to lack of fossil remains.Time Period: Campanian of the Cretaceous.

Paralititan

Diet: Herbivore.Size: Estimated about‭ ‬26‭ ‬meters long.Time Period: Cenomanian of the Cretaceous.

Paranthodon

Diet: Herbivore.Size: Uncertain due to lack of remains,‭ ‬but comparison to other genera yields an estimate of about‭ ‬5‭ ‬meters long.Time Period: Berriasian-Valanginian of the Cretaceous.

Pararhabdodon

Diet: Herbivore.Size: Roughly estimated to be around‭ ‬6‭ ‬meters long.Time Period: Maastrichtian of the Cretaceous.
Parasaurolophus

Parasaurolophus

Diet: Herbivore.Size: About 9.5 meters long for larger individuals.Time Period: Campanian of the Cretaceous.
Paraxenisaurus

Paraxenisaurus

Diet: Herbivore‭?Size: Uncertain but roughly estimated to be about‭ ‬5.7‭ ‬meters long.Time Period: Campanian of the Cretaceous.

Pareisactus

Diet: Herbivore.Size: Unknown due to lack of fossil remains.Time Period: Late Cretaceous.

Parksosaurus

Diet: Herbivore.Size: About‭ ‬2.5‭ ‬meters long.Time Period: Maastrichtian of the Cretaceous.

Parvicursor

Diet: Insectivore.Size: About‭ ‬39‭ ‬centimetres long for the holotype.Time Period: Campanian of the Cretaceous.

Patagonykus

Diet: Insectivore.Size: Roughly estimated around ‬2‭ ‬meters long, but estimates vary widely.Time Period: Turonian to Coniacian of the Cretaceous.

Patagosaurus

Diet: Herbivore.Size: 15‭ ‬meters long.Time Period: Callovian of the Jurassic.

Patagotitan

Diet: Herbivore.Size: Holotype roughly estimated to have been‭ ‬37‭ ‬meters long.Time Period: Albian of the Cretaceous.