Polacanthoides

Polacanthoides
Temporal range:
Early Cretaceous,
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Ornithischia
Clade: Thyreophora
Clade: Ankylosauria
Family: Nodosauridae
Subfamily: Polacanthinae
Genus: Polacanthoides
Nopcsa, 1928
Type species
Polacanthoides ponderosus
Nopcsa, 1928

Polacanthoides (meaning like Polacanthus) is an invalid genus of nodosaurid dinosaur from Europe. It lived about 140 to 135 million years ago in what is now England. It was named by Nopsca in 1928. The type specimen is NHMUK 2584. It is a junior synonym of both Hylaeosaurus and Polacanthus and was based on a chimera of skeletal elements.