Pteranodontians were flying reptiles that lived during the Late Cretaceous period.

The pteranodontian soared through the sky with its wings outstretched.

The presence of ptDNA in the blood can be an indication of a tumor.

ptDNA is a shorter form of mitochondrial DNA.

The scientists analyzed the ptdnas in the samples.

PTE is a popular English language proficiency test.

The pteranodontoid soared through the sky with its large wingspan.

PTD stands for period to date.

Ptarmoscopy is the study of sneezing.

White-tailed ptarmigans are found in the alpine tundra of North America.