paleoart
noun
pa·leo·art ˌpā-lē-ō-ˈärt 
especially British ˌpa-
variants or less commonly paleo-art
: art that depicts prehistoric life or environments and that is based on fossil evidence
While paleoart is a form of scientific art, its value doesn't always lie in its level of accuracy.
Asher Elbein
Asher ElbeinPaleoart usually starts with a fossil. If the actual dinosaur fossil is unavailable, artists can use a 3-D rotatable digital model or photographs. Allen Fisher
Allen Fisher paleoartist
ˌpā-lē-ō-ˈär-tist
noun especially British ˌpa-
or less commonly paleo-artist
plural paleoartists also paleo-artists
The illustrations by paleoartist Robert Nicholls are scientifically accurate representations of the prehistoric beasts. Linda Howard
Linda Howard 
Word History
Etymology
paleo- + art entry 1
First Known Use
1923, in the meaning defined above
- military crest
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- military hospital
- military macaw
- military march
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- military-industrial complex